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Home / DTC / P2711 — Internal transmission failure, Transmission Control Module (TCM) failure, Transmission fluid level is low, Transmission solenoid failure, Wiring issue

P2711 — Internal transmission failure, Transmission Control Module (TCM) failure, Transmission fluid level is low, Transmission solenoid failure, Wiring issue

Detailed page for trouble code P2711.

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Code

P2711

AUDI P — Powertrain

Internal transmission failure, Transmission Control Module (TCM) failure, Transmission fluid level is low, Transmission solenoid failure, Wiring issue

Brand: AUDI
Type: P — Powertrain
AI status
Completed
ready
Completed 100%
Page language: EN

Causes

  • Low transmission fluid level
  • Contaminated or burnt transmission fluid
  • Failed transmission control solenoid(s)
  • Internal mechanical failure in the transmission (valve body, clutch, gear, etc.)
  • Faulty Transmission Control Module (TCM) or corrupted software
  • Open/shorted wiring or poor connector grounds to solenoids or TCM

Symptoms

  • Transmission stuck in limp/limp-home mode
  • Harsh, delayed, or erratic shifting
  • No forward or reverse engagement in some gears
  • Transmission slipping under load
  • Illuminated transmission or check engine warning lamp
  • Unusual noise from transmission or burning smell

What to check

  • Read stored and pending codes plus freeze frame data with a capable scan tool
  • Check transmission fluid level, color and smell (burnt odor, dark color)
  • Inspect transmission pan for metal debris (if serviceable) and magnet
  • Visually inspect wiring harness, connectors, and grounds at the transmission and TCM for damage or corrosion
  • Verify TCM power and ground voltages and CAN bus activity
  • Check for TCM software/firmware updates or technical service bulletins (TSBs)

Signal parameters

  • Transmission fluid temperature (°C/°F) during fault
  • Line/shift pressure (psi/bar) where available
  • Solenoid activation status, duty cycle and current draw
  • TCM supply voltage and ground continuity
  • Input (turbine) and output (vehicle) speed sensor signals and ratio
  • CAN bus voltage and error/frame counts

Diagnostic algorithm

  1. Retrieve all codes and freeze frame; record conditions (RPM, speed, temperature).
  2. Check fluid level and condition; top or replace fluid if low/contaminated and re-check for codes.
  3. Visually inspect wiring and connectors at the transmission, solenoids and TCM; repair any damage and ensure secure connections.
  4. Verify TCM power, ground and CAN communication with a multimeter/oscilloscope; repair faults.
  5. Test solenoids: measure resistance, compare to spec, and command solenoids with a scan tool while monitoring current/duty and transmission response.
  6. If available, measure line/shift pressure with a mechanical gauge to confirm hydraulic system integrity.
  7. Reflash or update TCM software if a software-related fault or TSB exists, then clear codes and perform a monitored road test.
  8. If electrical and software checks pass but failure persists, consider internal transmission inspection by a transmission specialist (valve body, clutch packs, torque converter) and possible teardown/rebuild or replacement.
  9. After repairs, clear codes and verify repair by re-testing under the conditions recorded in freeze frame.

Likely causes

  • Low or degraded transmission fluid causing insufficient hydraulic pressure
  • Solenoid(s) sticking or electrically failed
  • Damaged wiring harness or corroded connector at transmission/TCM
  • TCM power, ground, or CAN communication fault
  • Internal valve body or clutch pack wear leading to incorrect pressure/action

Fault status

⚠️ Status
P2711 — Transmission internal/control fault detected. Check fluid, solenoids, wiring, and TCM. Further diagnosis required.
🔴 Repair difficulty: Hard
⏱️ Diagnostic time: 2.0 - 6.0 hours

Similar codes

P0700 P0715 P0720 P0730 P0740 P0796
Repair manuals

Manual library for AUDI

1,243

Browse 1,243 AUDI manuals: repair procedures, diagnostics, wiring diagrams, component locations, service data and Labor Times by year, model and trim.

AUDI

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Code

P2711

Generic P — Powertrain

Unexpected Mechanical Gear Disengagement

Brand: Generic
Type: P — Powertrain
AI status
Completed
ready
Completed 100%
Page language: EN

Causes

  • Low transmission fluid level
  • Contaminated or burnt transmission fluid
  • Failed transmission control solenoid(s)
  • Internal mechanical failure in the transmission (valve body, clutch, gear, etc.)
  • Faulty Transmission Control Module (TCM) or corrupted software
  • Open/shorted wiring or poor connector grounds to solenoids or TCM

Symptoms

  • Transmission stuck in limp/limp-home mode
  • Harsh, delayed, or erratic shifting
  • No forward or reverse engagement in some gears
  • Transmission slipping under load
  • Illuminated transmission or check engine warning lamp
  • Unusual noise from transmission or burning smell

What to check

  • Read stored and pending codes plus freeze frame data with a capable scan tool
  • Check transmission fluid level, color and smell (burnt odor, dark color)
  • Inspect transmission pan for metal debris (if serviceable) and magnet
  • Visually inspect wiring harness, connectors, and grounds at the transmission and TCM for damage or corrosion
  • Verify TCM power and ground voltages and CAN bus activity
  • Check for TCM software/firmware updates or technical service bulletins (TSBs)

Signal parameters

  • Transmission fluid temperature (°C/°F) during fault
  • Line/shift pressure (psi/bar) where available
  • Solenoid activation status, duty cycle and current draw
  • TCM supply voltage and ground continuity
  • Input (turbine) and output (vehicle) speed sensor signals and ratio
  • CAN bus voltage and error/frame counts

Diagnostic algorithm

  1. Retrieve all codes and freeze frame; record conditions (RPM, speed, temperature).
  2. Check fluid level and condition; top or replace fluid if low/contaminated and re-check for codes.
  3. Visually inspect wiring and connectors at the transmission, solenoids and TCM; repair any damage and ensure secure connections.
  4. Verify TCM power, ground and CAN communication with a multimeter/oscilloscope; repair faults.
  5. Test solenoids: measure resistance, compare to spec, and command solenoids with a scan tool while monitoring current/duty and transmission response.
  6. If available, measure line/shift pressure with a mechanical gauge to confirm hydraulic system integrity.
  7. Reflash or update TCM software if a software-related fault or TSB exists, then clear codes and perform a monitored road test.
  8. If electrical and software checks pass but failure persists, consider internal transmission inspection by a transmission specialist (valve body, clutch packs, torque converter) and possible teardown/rebuild or replacement.
  9. After repairs, clear codes and verify repair by re-testing under the conditions recorded in freeze frame.

Likely causes

  • Low or degraded transmission fluid causing insufficient hydraulic pressure
  • Solenoid(s) sticking or electrically failed
  • Damaged wiring harness or corroded connector at transmission/TCM
  • TCM power, ground, or CAN communication fault
  • Internal valve body or clutch pack wear leading to incorrect pressure/action

Fault status

⚠️ Status
P2711 — Transmission internal/control fault detected. Check fluid, solenoids, wiring, and TCM. Further diagnosis required.
🔴 Repair difficulty: Hard
⏱️ Diagnostic time: 2.0 - 6.0 hours

Similar codes

P0700 P0715 P0720 P0730 P0740 P0796
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Code

P2711

LAND ROVER P — Powertrain

Unexpected deactivation of the mechanical gear

Brand: LAND ROVER
Type: P — Powertrain
AI status
Completed
ready
Completed 100%
Page language: EN

Causes

  • Low transmission fluid level
  • Contaminated or burnt transmission fluid
  • Failed transmission control solenoid(s)
  • Internal mechanical failure in the transmission (valve body, clutch, gear, etc.)
  • Faulty Transmission Control Module (TCM) or corrupted software
  • Open/shorted wiring or poor connector grounds to solenoids or TCM

Symptoms

  • Transmission stuck in limp/limp-home mode
  • Harsh, delayed, or erratic shifting
  • No forward or reverse engagement in some gears
  • Transmission slipping under load
  • Illuminated transmission or check engine warning lamp
  • Unusual noise from transmission or burning smell

What to check

  • Read stored and pending codes plus freeze frame data with a capable scan tool
  • Check transmission fluid level, color and smell (burnt odor, dark color)
  • Inspect transmission pan for metal debris (if serviceable) and magnet
  • Visually inspect wiring harness, connectors, and grounds at the transmission and TCM for damage or corrosion
  • Verify TCM power and ground voltages and CAN bus activity
  • Check for TCM software/firmware updates or technical service bulletins (TSBs)

Signal parameters

  • Transmission fluid temperature (°C/°F) during fault
  • Line/shift pressure (psi/bar) where available
  • Solenoid activation status, duty cycle and current draw
  • TCM supply voltage and ground continuity
  • Input (turbine) and output (vehicle) speed sensor signals and ratio
  • CAN bus voltage and error/frame counts

Diagnostic algorithm

  1. Retrieve all codes and freeze frame; record conditions (RPM, speed, temperature).
  2. Check fluid level and condition; top or replace fluid if low/contaminated and re-check for codes.
  3. Visually inspect wiring and connectors at the transmission, solenoids and TCM; repair any damage and ensure secure connections.
  4. Verify TCM power, ground and CAN communication with a multimeter/oscilloscope; repair faults.
  5. Test solenoids: measure resistance, compare to spec, and command solenoids with a scan tool while monitoring current/duty and transmission response.
  6. If available, measure line/shift pressure with a mechanical gauge to confirm hydraulic system integrity.
  7. Reflash or update TCM software if a software-related fault or TSB exists, then clear codes and perform a monitored road test.
  8. If electrical and software checks pass but failure persists, consider internal transmission inspection by a transmission specialist (valve body, clutch packs, torque converter) and possible teardown/rebuild or replacement.
  9. After repairs, clear codes and verify repair by re-testing under the conditions recorded in freeze frame.

Likely causes

  • Low or degraded transmission fluid causing insufficient hydraulic pressure
  • Solenoid(s) sticking or electrically failed
  • Damaged wiring harness or corroded connector at transmission/TCM
  • TCM power, ground, or CAN communication fault
  • Internal valve body or clutch pack wear leading to incorrect pressure/action

Fault status

⚠️ Status
P2711 — Transmission internal/control fault detected. Check fluid, solenoids, wiring, and TCM. Further diagnosis required.
🔴 Repair difficulty: Hard
⏱️ Diagnostic time: 2.0 - 6.0 hours

Similar codes

P0700 P0715 P0720 P0730 P0740 P0796
320

Browse 320 LAND ROVER manuals: repair procedures, diagnostics, wiring diagrams, component locations, service data and Labor Times by year, model and trim.

LAND ROVER

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+100 karma for a short comment :)
Keep it short and practical. Up to 500 characters.
Send to email

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