Regenerative Braking Torque Sensor Fault
2006-2008 Lincoln Mark LT 5.4L V8
Description
The torque sensor that monitors regenerative braking output is reporting invalid data.
Symptoms
- Regen braking warning
- Reduced energy recovery
- Braking force inconsistent
- Hybrid efficiency reduced
Common Causes
- Faulty regen torque sensor
- Sensor wiring damaged
- Motor-generator feedback fault
- Sensor connector corroded
Diagnostic Steps
- Read regen torque sensor data during braking
- Compare motor-generator actual torque to commanded
- Inspect sensor wiring
- Check sensor connector
- Test sensor through full range
Repair Notes
Replace regen braking torque sensor. Recalibrate after replacement.
Related Codes
Other Chassis Codes
- C0021LF Wheel Speed Sensor Range/Performance
- C0022RF Wheel Speed Sensor Range/Performance
- C0023LR Wheel Speed Sensor Range/Performance
- C0024RR Wheel Speed Sensor Range/Performance
- C0025LF Wheel Speed Sensor Circuit Intermittent
- C0026RF Wheel Speed Sensor Circuit Intermittent
- C0027LR Wheel Speed Sensor Circuit Intermittent
- C0028RR Wheel Speed Sensor Circuit Intermittent
- C0035Left Front Wheel Speed Sensor Circuit
- C0036Left Front Wheel Speed Signal Erratic
C0155 on Other Vehicles
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2003-2005 4.6L V8
Lincoln Aviator
2003-2005 4.6L V8 DOHC
Lincoln Aviator
2020-2024 3.0L Twin-Turbo V6
Lincoln Aviator
2020-2024 3.0L V6 Twin Turbo
Lincoln Aviator Grand Touring
2020-2024 3.0L Twin Turbo V6 PHEV
Lincoln Aviator Grand Touring
2020-2024 3.0L Twin-Turbo V6 Hybrid
Lincoln Aviator Grand Touring
2020-2024 3.0L V6 Twin Turbo Hybrid
Lincoln Continental
2017-2020 2.7L EcoBoost V6
Common Questions
What does code C0155 mean on a 2006-2008 Lincoln Mark LT?
C0155 stands for "Regenerative Braking Torque Sensor Fault". The torque sensor that monitors regenerative braking output is reporting invalid data.
What are the symptoms of C0155 on a Lincoln Mark LT?
Common symptoms of C0155 include: Regen braking warning, Reduced energy recovery, Braking force inconsistent, Hybrid efficiency reduced.
What causes C0155 on a 2006-2008 Lincoln Mark LT?
Common causes of C0155 include: Faulty regen torque sensor, Sensor wiring damaged, Motor-generator feedback fault, Sensor connector corroded.