Code
P2761
Generic
P — Powertrain
Torque Converter Clutch Pressure Control Solenoid Control Circuit/Open
Views:
UK: 14
EN: 28
RU: 21
AI status
Completed
Completed
100%
Causes
- Open or damaged wiring in TCC solenoid control circuit
- Corroded, loose, or damaged connector at solenoid or PCM
- Failed TCC pressure control solenoid (electrically open)
- Blown fuse or poor power/ground to control circuit
- Faulty PCM or internal driver fault
- Low, dirty, or incorrect automatic transmission fluid (may mask hydraulic symptoms but not electrical open)
Symptoms
- Malfunction Indicator Lamp (MIL) or transmission warning light illuminated
- Torque converter fails to lock up (reduced fuel economy, higher RPMs)
- Harsh or delayed shifts, gear hunting or slipping feel
- Limp-in/limited transmission performance mode on some vehicles
- Possible shudder or vibration under load
What to check
- Retrieve freeze frame and all stored transmission-related codes before clearing
- Visual inspection of TCC solenoid connector, harness, and PCM connector for corrosion, damage, or pushed pins
- Check applicable fuses and battery feed to transmission circuits
- Measure solenoid coil resistance at the connector (vehicle service spec required)
- Backprobe PCM output while cranking/operating to confirm presence/absence of control signal
- Check continuity from PCM pin to solenoid pin and to ground; check for shorts to power
Signal parameters
- Solenoid coil resistance: typically in the low ohms to a few tens of ohms (consult vehicle service manual for exact spec)
- Open-circuit: infinite resistance between solenoid terminals
- PCM control: often a PWM (pulse-width modulated) ground or supply signal; duty cycle varies with load/speed
- Supply voltage at circuit fuse: ~12 V battery when key on
- Expected PCM driver voltage when commanded: varying PWM between ~0–12 V (vehicle-specific); steady readings may indicate fault
Diagnostic algorithm
- Record codes and freeze-frame data, then clear codes and attempt to re-run drive cycle to confirm repeatability.
- Visually inspect connectors and wiring for damage, corrosion, or looseness at the solenoid and PCM. Repair as needed.
- With ignition off, measure solenoid coil resistance at the connector. If open/infinite, replace solenoid.
- Check for 12 V supply at the solenoid power feed (key ON). If missing, trace and repair fuse/relay/power feed.
- Backprobe the control pin at the solenoid while cranking/road testing or using an appropriate actuator test to command TCC. Check for continuity to PCM and for signal (PWM or switching) from PCM.
- If wiring and supply are good but no signal from PCM, check PCM pin for short to ground or power. Repair wiring if open or shorted.
- If wiring and PCM outputs are correct yet solenoid does not operate, replace the TCC pressure control solenoid.
- After repairs, clear codes and perform a full road test/drive cycle to confirm proper operation and that the code does not return.
Likely causes
- Connector corrosion or pin pushed out at solenoid
- Wiring chafe or broken conductor between PCM and solenoid
- Failed solenoid coil (open winding)
- Blown fuse or missing battery feed/ground
- PCM driver failure (less common)
Fault status
Status
P2761 — Torque Converter Clutch Pressure Control Solenoid Control Circuit/Open. Set when the PCM detects open circuit or abnormally high resistance in the TCC pressure control solenoid circuit; MIL on.
Repair difficulty: Medium
Diagnostic time: 0.5-2.0 hours
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Code
P2761
LAND ROVER
P — Powertrain
Clutch Pressure Control Solenoid Control of torque - circuit / open
Views:
UK: 4
EN: 12
RU: 6
AI status
Completed
Completed
100%
Causes
- Open or damaged wiring in TCC solenoid control circuit
- Corroded, loose, or damaged connector at solenoid or PCM
- Failed TCC pressure control solenoid (electrically open)
- Blown fuse or poor power/ground to control circuit
- Faulty PCM or internal driver fault
- Low, dirty, or incorrect automatic transmission fluid (may mask hydraulic symptoms but not electrical open)
Symptoms
- Malfunction Indicator Lamp (MIL) or transmission warning light illuminated
- Torque converter fails to lock up (reduced fuel economy, higher RPMs)
- Harsh or delayed shifts, gear hunting or slipping feel
- Limp-in/limited transmission performance mode on some vehicles
- Possible shudder or vibration under load
What to check
- Retrieve freeze frame and all stored transmission-related codes before clearing
- Visual inspection of TCC solenoid connector, harness, and PCM connector for corrosion, damage, or pushed pins
- Check applicable fuses and battery feed to transmission circuits
- Measure solenoid coil resistance at the connector (vehicle service spec required)
- Backprobe PCM output while cranking/operating to confirm presence/absence of control signal
- Check continuity from PCM pin to solenoid pin and to ground; check for shorts to power
Signal parameters
- Solenoid coil resistance: typically in the low ohms to a few tens of ohms (consult vehicle service manual for exact spec)
- Open-circuit: infinite resistance between solenoid terminals
- PCM control: often a PWM (pulse-width modulated) ground or supply signal; duty cycle varies with load/speed
- Supply voltage at circuit fuse: ~12 V battery when key on
- Expected PCM driver voltage when commanded: varying PWM between ~0–12 V (vehicle-specific); steady readings may indicate fault
Diagnostic algorithm
- Record codes and freeze-frame data, then clear codes and attempt to re-run drive cycle to confirm repeatability.
- Visually inspect connectors and wiring for damage, corrosion, or looseness at the solenoid and PCM. Repair as needed.
- With ignition off, measure solenoid coil resistance at the connector. If open/infinite, replace solenoid.
- Check for 12 V supply at the solenoid power feed (key ON). If missing, trace and repair fuse/relay/power feed.
- Backprobe the control pin at the solenoid while cranking/road testing or using an appropriate actuator test to command TCC. Check for continuity to PCM and for signal (PWM or switching) from PCM.
- If wiring and supply are good but no signal from PCM, check PCM pin for short to ground or power. Repair wiring if open or shorted.
- If wiring and PCM outputs are correct yet solenoid does not operate, replace the TCC pressure control solenoid.
- After repairs, clear codes and perform a full road test/drive cycle to confirm proper operation and that the code does not return.
Likely causes
- Connector corrosion or pin pushed out at solenoid
- Wiring chafe or broken conductor between PCM and solenoid
- Failed solenoid coil (open winding)
- Blown fuse or missing battery feed/ground
- PCM driver failure (less common)
Fault status
Status
P2761 — Torque Converter Clutch Pressure Control Solenoid Control Circuit/Open. Set when the PCM detects open circuit or abnormally high resistance in the TCC pressure control solenoid circuit; MIL on.
Repair difficulty: Medium
Diagnostic time: 0.5-2.0 hours
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Land Rover Range Rover — Electrical Library (LRL 0453ENG, 2002)
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