Code
P0706
AUDI
P — Powertrain
Defective Transmission Range Sensor (PRNDL input), Defective Transmission Range Sensor (PRNDL input) wiring or connector, Defective Valve Body, Defective manual shift valve linkage, Dirty transmission fluid that restricts the hydraulic passages
Views:
UK: 26
EN: 33
RU: 52
AI status
Completed
Completed
100%
Causes
- Faulty transmission range sensor (TRS/PRNDL switch/potentiometer)
- Damaged/shorted/open wiring or poor connector at TRS or ECU
- Corroded or loose ground or reference power to the sensor
- Faulty valve body or stuck shift valves restricting hydraulic flow
- Incorrect or dirty transmission fluid causing sluggish valve operation
- Misadjusted or damaged manual shift selector/linkage
Symptoms
- MIL/Check Engine light on with P0706 stored
- Incorrect gear indicator on dash (PRNDL mismatch) or no gear selected
- Starter cranks but engine will not start in gear (safety interlock issues)
- Transmission stuck in limp/limitation mode or certain gears unavailable
- Harsh, delayed or erratic shifting; limp-home behavior
- Intermittent loss of drive or inability to select gears
What to check
- Scan for related codes and review freeze-frame/drive-cycle data
- Visually inspect TRS connector and wiring for corrosion, damage, or loose pins
- Check transmission fluid level and condition (color, smell, contamination)
- Verify proper reference voltage and ground at the TRS connector with ignition on
- Monitor TRS signal while operating selector through all positions (P→R→N→D→etc.)
- Perform continuity and resistance checks from sensor connector to transmission control module
Signal parameters
- TRS typically powered by a 5V reference and returns a varying voltage or discrete switching pattern to ECU (0–5 V range)
- Signal should change smoothly or step reliably as selector moves through P→R→N→D (no sudden jumps, noise or dropouts)
- Some TRS units are multi‑pole switches: expected digital state changes at each gear position (verify pattern with OEM data)
- Resistance or continuity of the sensor should be stable and within manufacturer spec (avoid open circuits or intermittent values)
- No short to battery voltage or ground on the signal line while cycling selector
Diagnostic algorithm
- Retrieve full code set and freeze-frame, clear codes and attempt to re-create P0706. Note conditions when fault sets.
- Visually inspect TRS connector, wiring harness and ECU connector for damage, corrosion or bent pins.
- With ignition ON (engine off), backprobe TRS connector: verify reference voltage (usually ~5V), signal voltage, and ground integrity.
- Cycle shifter through all positions while watching live data or measuring signal voltage; confirm signal transitions correspond to gear positions and are free of noise.
- Check continuity and resistance between TRS pins and transmission control module pins to rule out open/short circuits. Wiggle harness to reproduce intermittent faults.
- If wiring and sensor signals are within spec but symptoms persist, inspect manual shift linkage for correct travel and binding or incorrect adjustment.
- Check transmission fluid level/condition. If fluid is burnt/dirty or low, perform fluid service per manufacturer before further mechanical work.
- If electrical and linkage checks pass, perform hydraulic/valve body inspection: check for sticking valves, debris, or solenoid faults (special tools or transmission removal may be required).
- Replace faulty sensor or repair wiring as confirmed by tests. After repair, clear codes and perform road test and a full gear cycle verification.
- If problem persists after sensor/wiring/valve body checks, consult OEM service data for module reprogramming or advanced testing.
Likely causes
- Intermittent or incorrect voltage signal from the TRS due to internal sensor failure
- Connector corrosion or pin damage at the transmission range sensor
- Wiring chafed and shorted to ground or battery voltage between TRS and ECU
- Valve body wear or debris restricting shift valves so actual gear does not match TRS signal
- Low, contaminated, or burned transmission fluid increasing hydraulic drag on shift components
- Shift linkage out of adjustment or binding, preventing correct gear position
Fault status
Status
P0706 — Transmission Range Sensor (PRNDL) Circuit Range/Performance. The transmission control module detected an invalid or inconsistent PRNDL/TRS signal (range or performance outside expected parameters).
Repair difficulty: Medium
Diagnostic time: 1.5 - 3.0 hours
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Code
P0706
Generic
P — Powertrain
Transmission Range Sensor A Circuit Range/Performance
Views:
UK: 31
EN: 35
RU: 54
AI status
Completed
Completed
100%
Causes
- Faulty transmission range sensor (TRS/PRNDL switch/potentiometer)
- Damaged/shorted/open wiring or poor connector at TRS or ECU
- Corroded or loose ground or reference power to the sensor
- Faulty valve body or stuck shift valves restricting hydraulic flow
- Incorrect or dirty transmission fluid causing sluggish valve operation
- Misadjusted or damaged manual shift selector/linkage
Symptoms
- MIL/Check Engine light on with P0706 stored
- Incorrect gear indicator on dash (PRNDL mismatch) or no gear selected
- Starter cranks but engine will not start in gear (safety interlock issues)
- Transmission stuck in limp/limitation mode or certain gears unavailable
- Harsh, delayed or erratic shifting; limp-home behavior
- Intermittent loss of drive or inability to select gears
What to check
- Scan for related codes and review freeze-frame/drive-cycle data
- Visually inspect TRS connector and wiring for corrosion, damage, or loose pins
- Check transmission fluid level and condition (color, smell, contamination)
- Verify proper reference voltage and ground at the TRS connector with ignition on
- Monitor TRS signal while operating selector through all positions (P→R→N→D→etc.)
- Perform continuity and resistance checks from sensor connector to transmission control module
Signal parameters
- TRS typically powered by a 5V reference and returns a varying voltage or discrete switching pattern to ECU (0–5 V range)
- Signal should change smoothly or step reliably as selector moves through P→R→N→D (no sudden jumps, noise or dropouts)
- Some TRS units are multi‑pole switches: expected digital state changes at each gear position (verify pattern with OEM data)
- Resistance or continuity of the sensor should be stable and within manufacturer spec (avoid open circuits or intermittent values)
- No short to battery voltage or ground on the signal line while cycling selector
Diagnostic algorithm
- Retrieve full code set and freeze-frame, clear codes and attempt to re-create P0706. Note conditions when fault sets.
- Visually inspect TRS connector, wiring harness and ECU connector for damage, corrosion or bent pins.
- With ignition ON (engine off), backprobe TRS connector: verify reference voltage (usually ~5V), signal voltage, and ground integrity.
- Cycle shifter through all positions while watching live data or measuring signal voltage; confirm signal transitions correspond to gear positions and are free of noise.
- Check continuity and resistance between TRS pins and transmission control module pins to rule out open/short circuits. Wiggle harness to reproduce intermittent faults.
- If wiring and sensor signals are within spec but symptoms persist, inspect manual shift linkage for correct travel and binding or incorrect adjustment.
- Check transmission fluid level/condition. If fluid is burnt/dirty or low, perform fluid service per manufacturer before further mechanical work.
- If electrical and linkage checks pass, perform hydraulic/valve body inspection: check for sticking valves, debris, or solenoid faults (special tools or transmission removal may be required).
- Replace faulty sensor or repair wiring as confirmed by tests. After repair, clear codes and perform road test and a full gear cycle verification.
- If problem persists after sensor/wiring/valve body checks, consult OEM service data for module reprogramming or advanced testing.
Likely causes
- Intermittent or incorrect voltage signal from the TRS due to internal sensor failure
- Connector corrosion or pin damage at the transmission range sensor
- Wiring chafed and shorted to ground or battery voltage between TRS and ECU
- Valve body wear or debris restricting shift valves so actual gear does not match TRS signal
- Low, contaminated, or burned transmission fluid increasing hydraulic drag on shift components
- Shift linkage out of adjustment or binding, preventing correct gear position
Fault status
Status
P0706 — Transmission Range Sensor (PRNDL) Circuit Range/Performance. The transmission control module detected an invalid or inconsistent PRNDL/TRS signal (range or performance outside expected parameters).
Repair difficulty: Medium
Diagnostic time: 1.5 - 3.0 hours
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Code
P0706
GWM
P — Powertrain
- Wrong indicator / not adjusted transmission sensor
Views:
UK: 3
EN: 6
RU: 12
AI status
Completed
Completed
100%
Causes
- Faulty transmission range sensor (TRS/PRNDL switch/potentiometer)
- Damaged/shorted/open wiring or poor connector at TRS or ECU
- Corroded or loose ground or reference power to the sensor
- Faulty valve body or stuck shift valves restricting hydraulic flow
- Incorrect or dirty transmission fluid causing sluggish valve operation
- Misadjusted or damaged manual shift selector/linkage
Symptoms
- MIL/Check Engine light on with P0706 stored
- Incorrect gear indicator on dash (PRNDL mismatch) or no gear selected
- Starter cranks but engine will not start in gear (safety interlock issues)
- Transmission stuck in limp/limitation mode or certain gears unavailable
- Harsh, delayed or erratic shifting; limp-home behavior
- Intermittent loss of drive or inability to select gears
What to check
- Scan for related codes and review freeze-frame/drive-cycle data
- Visually inspect TRS connector and wiring for corrosion, damage, or loose pins
- Check transmission fluid level and condition (color, smell, contamination)
- Verify proper reference voltage and ground at the TRS connector with ignition on
- Monitor TRS signal while operating selector through all positions (P→R→N→D→etc.)
- Perform continuity and resistance checks from sensor connector to transmission control module
Signal parameters
- TRS typically powered by a 5V reference and returns a varying voltage or discrete switching pattern to ECU (0–5 V range)
- Signal should change smoothly or step reliably as selector moves through P→R→N→D (no sudden jumps, noise or dropouts)
- Some TRS units are multi‑pole switches: expected digital state changes at each gear position (verify pattern with OEM data)
- Resistance or continuity of the sensor should be stable and within manufacturer spec (avoid open circuits or intermittent values)
- No short to battery voltage or ground on the signal line while cycling selector
Diagnostic algorithm
- Retrieve full code set and freeze-frame, clear codes and attempt to re-create P0706. Note conditions when fault sets.
- Visually inspect TRS connector, wiring harness and ECU connector for damage, corrosion or bent pins.
- With ignition ON (engine off), backprobe TRS connector: verify reference voltage (usually ~5V), signal voltage, and ground integrity.
- Cycle shifter through all positions while watching live data or measuring signal voltage; confirm signal transitions correspond to gear positions and are free of noise.
- Check continuity and resistance between TRS pins and transmission control module pins to rule out open/short circuits. Wiggle harness to reproduce intermittent faults.
- If wiring and sensor signals are within spec but symptoms persist, inspect manual shift linkage for correct travel and binding or incorrect adjustment.
- Check transmission fluid level/condition. If fluid is burnt/dirty or low, perform fluid service per manufacturer before further mechanical work.
- If electrical and linkage checks pass, perform hydraulic/valve body inspection: check for sticking valves, debris, or solenoid faults (special tools or transmission removal may be required).
- Replace faulty sensor or repair wiring as confirmed by tests. After repair, clear codes and perform road test and a full gear cycle verification.
- If problem persists after sensor/wiring/valve body checks, consult OEM service data for module reprogramming or advanced testing.
Likely causes
- Intermittent or incorrect voltage signal from the TRS due to internal sensor failure
- Connector corrosion or pin damage at the transmission range sensor
- Wiring chafed and shorted to ground or battery voltage between TRS and ECU
- Valve body wear or debris restricting shift valves so actual gear does not match TRS signal
- Low, contaminated, or burned transmission fluid increasing hydraulic drag on shift components
- Shift linkage out of adjustment or binding, preventing correct gear position
Fault status
Status
P0706 — Transmission Range Sensor (PRNDL) Circuit Range/Performance. The transmission control module detected an invalid or inconsistent PRNDL/TRS signal (range or performance outside expected parameters).
Repair difficulty: Medium
Diagnostic time: 1.5 - 3.0 hours
Similar codes
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Code
P0706
HUMMER
P — Powertrain
Trans Range Switch Performance
Views:
UK: 12
EN: 20
RU: 29
AI status
Completed
Completed
100%
Causes
- Faulty transmission range sensor (TRS/PRNDL switch/potentiometer)
- Damaged/shorted/open wiring or poor connector at TRS or ECU
- Corroded or loose ground or reference power to the sensor
- Faulty valve body or stuck shift valves restricting hydraulic flow
- Incorrect or dirty transmission fluid causing sluggish valve operation
- Misadjusted or damaged manual shift selector/linkage
Symptoms
- MIL/Check Engine light on with P0706 stored
- Incorrect gear indicator on dash (PRNDL mismatch) or no gear selected
- Starter cranks but engine will not start in gear (safety interlock issues)
- Transmission stuck in limp/limitation mode or certain gears unavailable
- Harsh, delayed or erratic shifting; limp-home behavior
- Intermittent loss of drive or inability to select gears
What to check
- Scan for related codes and review freeze-frame/drive-cycle data
- Visually inspect TRS connector and wiring for corrosion, damage, or loose pins
- Check transmission fluid level and condition (color, smell, contamination)
- Verify proper reference voltage and ground at the TRS connector with ignition on
- Monitor TRS signal while operating selector through all positions (P→R→N→D→etc.)
- Perform continuity and resistance checks from sensor connector to transmission control module
Signal parameters
- TRS typically powered by a 5V reference and returns a varying voltage or discrete switching pattern to ECU (0–5 V range)
- Signal should change smoothly or step reliably as selector moves through P→R→N→D (no sudden jumps, noise or dropouts)
- Some TRS units are multi‑pole switches: expected digital state changes at each gear position (verify pattern with OEM data)
- Resistance or continuity of the sensor should be stable and within manufacturer spec (avoid open circuits or intermittent values)
- No short to battery voltage or ground on the signal line while cycling selector
Diagnostic algorithm
- Retrieve full code set and freeze-frame, clear codes and attempt to re-create P0706. Note conditions when fault sets.
- Visually inspect TRS connector, wiring harness and ECU connector for damage, corrosion or bent pins.
- With ignition ON (engine off), backprobe TRS connector: verify reference voltage (usually ~5V), signal voltage, and ground integrity.
- Cycle shifter through all positions while watching live data or measuring signal voltage; confirm signal transitions correspond to gear positions and are free of noise.
- Check continuity and resistance between TRS pins and transmission control module pins to rule out open/short circuits. Wiggle harness to reproduce intermittent faults.
- If wiring and sensor signals are within spec but symptoms persist, inspect manual shift linkage for correct travel and binding or incorrect adjustment.
- Check transmission fluid level/condition. If fluid is burnt/dirty or low, perform fluid service per manufacturer before further mechanical work.
- If electrical and linkage checks pass, perform hydraulic/valve body inspection: check for sticking valves, debris, or solenoid faults (special tools or transmission removal may be required).
- Replace faulty sensor or repair wiring as confirmed by tests. After repair, clear codes and perform road test and a full gear cycle verification.
- If problem persists after sensor/wiring/valve body checks, consult OEM service data for module reprogramming or advanced testing.
Likely causes
- Intermittent or incorrect voltage signal from the TRS due to internal sensor failure
- Connector corrosion or pin damage at the transmission range sensor
- Wiring chafed and shorted to ground or battery voltage between TRS and ECU
- Valve body wear or debris restricting shift valves so actual gear does not match TRS signal
- Low, contaminated, or burned transmission fluid increasing hydraulic drag on shift components
- Shift linkage out of adjustment or binding, preventing correct gear position
Fault status
Status
P0706 — Transmission Range Sensor (PRNDL) Circuit Range/Performance. The transmission control module detected an invalid or inconsistent PRNDL/TRS signal (range or performance outside expected parameters).
Repair difficulty: Medium
Diagnostic time: 1.5 - 3.0 hours
Similar codes
Your experience will help others
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Was this AI description helpful?
Your feedback helps improve AI descriptions.
👍 Like
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Send to email
Code
P0706
LAND ROVER
P — Powertrain
Transmission range sensor circuit / performance
Views:
UK: 6
EN: 12
RU: 23
AI status
Completed
Completed
100%
Causes
- Faulty transmission range sensor (TRS/PRNDL switch/potentiometer)
- Damaged/shorted/open wiring or poor connector at TRS or ECU
- Corroded or loose ground or reference power to the sensor
- Faulty valve body or stuck shift valves restricting hydraulic flow
- Incorrect or dirty transmission fluid causing sluggish valve operation
- Misadjusted or damaged manual shift selector/linkage
Symptoms
- MIL/Check Engine light on with P0706 stored
- Incorrect gear indicator on dash (PRNDL mismatch) or no gear selected
- Starter cranks but engine will not start in gear (safety interlock issues)
- Transmission stuck in limp/limitation mode or certain gears unavailable
- Harsh, delayed or erratic shifting; limp-home behavior
- Intermittent loss of drive or inability to select gears
What to check
- Scan for related codes and review freeze-frame/drive-cycle data
- Visually inspect TRS connector and wiring for corrosion, damage, or loose pins
- Check transmission fluid level and condition (color, smell, contamination)
- Verify proper reference voltage and ground at the TRS connector with ignition on
- Monitor TRS signal while operating selector through all positions (P→R→N→D→etc.)
- Perform continuity and resistance checks from sensor connector to transmission control module
Signal parameters
- TRS typically powered by a 5V reference and returns a varying voltage or discrete switching pattern to ECU (0–5 V range)
- Signal should change smoothly or step reliably as selector moves through P→R→N→D (no sudden jumps, noise or dropouts)
- Some TRS units are multi‑pole switches: expected digital state changes at each gear position (verify pattern with OEM data)
- Resistance or continuity of the sensor should be stable and within manufacturer spec (avoid open circuits or intermittent values)
- No short to battery voltage or ground on the signal line while cycling selector
Diagnostic algorithm
- Retrieve full code set and freeze-frame, clear codes and attempt to re-create P0706. Note conditions when fault sets.
- Visually inspect TRS connector, wiring harness and ECU connector for damage, corrosion or bent pins.
- With ignition ON (engine off), backprobe TRS connector: verify reference voltage (usually ~5V), signal voltage, and ground integrity.
- Cycle shifter through all positions while watching live data or measuring signal voltage; confirm signal transitions correspond to gear positions and are free of noise.
- Check continuity and resistance between TRS pins and transmission control module pins to rule out open/short circuits. Wiggle harness to reproduce intermittent faults.
- If wiring and sensor signals are within spec but symptoms persist, inspect manual shift linkage for correct travel and binding or incorrect adjustment.
- Check transmission fluid level/condition. If fluid is burnt/dirty or low, perform fluid service per manufacturer before further mechanical work.
- If electrical and linkage checks pass, perform hydraulic/valve body inspection: check for sticking valves, debris, or solenoid faults (special tools or transmission removal may be required).
- Replace faulty sensor or repair wiring as confirmed by tests. After repair, clear codes and perform road test and a full gear cycle verification.
- If problem persists after sensor/wiring/valve body checks, consult OEM service data for module reprogramming or advanced testing.
Likely causes
- Intermittent or incorrect voltage signal from the TRS due to internal sensor failure
- Connector corrosion or pin damage at the transmission range sensor
- Wiring chafed and shorted to ground or battery voltage between TRS and ECU
- Valve body wear or debris restricting shift valves so actual gear does not match TRS signal
- Low, contaminated, or burned transmission fluid increasing hydraulic drag on shift components
- Shift linkage out of adjustment or binding, preventing correct gear position
Fault status
Status
P0706 — Transmission Range Sensor (PRNDL) Circuit Range/Performance. The transmission control module detected an invalid or inconsistent PRNDL/TRS signal (range or performance outside expected parameters).
Repair difficulty: Medium
Diagnostic time: 1.5 - 3.0 hours
Similar codes
Workshop Manuals
Repair manuals for LAND ROVER
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Land Rover Defender 300Tdi — Workshop Manual (1996 model year)
Workshop Manual199,00 UAH
Land Rover Defender Workshop Manual Supplement & Body Repair Manual (1999 & 2002 MY)
Workshop Manual199,00 UAH
Land Rover Range Rover — Electrical Library (LRL 0453ENG, 2002)
Workshop Manual199,00 UAH
Your experience will help others
+100 karma for a short comment :)
Was this AI description helpful?
Your feedback helps improve AI descriptions.
👍 Like
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Send to email
Code
P0706
MERCEDES-BENZ
P — Powertrain
Transmission Range Sensor Circuit Range/Performance
Views:
UK: 19
EN: 26
RU: 39
AI status
Completed
Completed
100%
Causes
- Faulty transmission range sensor (TRS/PRNDL switch/potentiometer)
- Damaged/shorted/open wiring or poor connector at TRS or ECU
- Corroded or loose ground or reference power to the sensor
- Faulty valve body or stuck shift valves restricting hydraulic flow
- Incorrect or dirty transmission fluid causing sluggish valve operation
- Misadjusted or damaged manual shift selector/linkage
Symptoms
- MIL/Check Engine light on with P0706 stored
- Incorrect gear indicator on dash (PRNDL mismatch) or no gear selected
- Starter cranks but engine will not start in gear (safety interlock issues)
- Transmission stuck in limp/limitation mode or certain gears unavailable
- Harsh, delayed or erratic shifting; limp-home behavior
- Intermittent loss of drive or inability to select gears
What to check
- Scan for related codes and review freeze-frame/drive-cycle data
- Visually inspect TRS connector and wiring for corrosion, damage, or loose pins
- Check transmission fluid level and condition (color, smell, contamination)
- Verify proper reference voltage and ground at the TRS connector with ignition on
- Monitor TRS signal while operating selector through all positions (P→R→N→D→etc.)
- Perform continuity and resistance checks from sensor connector to transmission control module
Signal parameters
- TRS typically powered by a 5V reference and returns a varying voltage or discrete switching pattern to ECU (0–5 V range)
- Signal should change smoothly or step reliably as selector moves through P→R→N→D (no sudden jumps, noise or dropouts)
- Some TRS units are multi‑pole switches: expected digital state changes at each gear position (verify pattern with OEM data)
- Resistance or continuity of the sensor should be stable and within manufacturer spec (avoid open circuits or intermittent values)
- No short to battery voltage or ground on the signal line while cycling selector
Diagnostic algorithm
- Retrieve full code set and freeze-frame, clear codes and attempt to re-create P0706. Note conditions when fault sets.
- Visually inspect TRS connector, wiring harness and ECU connector for damage, corrosion or bent pins.
- With ignition ON (engine off), backprobe TRS connector: verify reference voltage (usually ~5V), signal voltage, and ground integrity.
- Cycle shifter through all positions while watching live data or measuring signal voltage; confirm signal transitions correspond to gear positions and are free of noise.
- Check continuity and resistance between TRS pins and transmission control module pins to rule out open/short circuits. Wiggle harness to reproduce intermittent faults.
- If wiring and sensor signals are within spec but symptoms persist, inspect manual shift linkage for correct travel and binding or incorrect adjustment.
- Check transmission fluid level/condition. If fluid is burnt/dirty or low, perform fluid service per manufacturer before further mechanical work.
- If electrical and linkage checks pass, perform hydraulic/valve body inspection: check for sticking valves, debris, or solenoid faults (special tools or transmission removal may be required).
- Replace faulty sensor or repair wiring as confirmed by tests. After repair, clear codes and perform road test and a full gear cycle verification.
- If problem persists after sensor/wiring/valve body checks, consult OEM service data for module reprogramming or advanced testing.
Likely causes
- Intermittent or incorrect voltage signal from the TRS due to internal sensor failure
- Connector corrosion or pin damage at the transmission range sensor
- Wiring chafed and shorted to ground or battery voltage between TRS and ECU
- Valve body wear or debris restricting shift valves so actual gear does not match TRS signal
- Low, contaminated, or burned transmission fluid increasing hydraulic drag on shift components
- Shift linkage out of adjustment or binding, preventing correct gear position
Fault status
Status
P0706 — Transmission Range Sensor (PRNDL) Circuit Range/Performance. The transmission control module detected an invalid or inconsistent PRNDL/TRS signal (range or performance outside expected parameters).
Repair difficulty: Medium
Diagnostic time: 1.5 - 3.0 hours
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HTML ManualYour experience will help others
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