C0155moderate severityChassis
Regenerative Braking Torque Sensor Fault
on 2006 Ford Explorer 4.6L V8 · 4WD
What this code means
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.
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Other Chassis codes on this vehicle
C0021
LF Wheel Speed Sensor Range/Performance
C0021
LF Wheel Speed Sensor Range/Performance
C0022
RF Wheel Speed Sensor Range/Performance
C0022
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C0023
LR Wheel Speed Sensor Range/Performance
C0023
LR Wheel Speed Sensor Range/Performance
C0024
RR Wheel Speed Sensor Range/Performance
C0024
RR Wheel Speed Sensor Range/Performance
C0025
LF Wheel Speed Sensor Circuit Intermittent
C0025
LF Wheel Speed Sensor Circuit Intermittent