Tests AE: DTC C1278 - Steering Wheel Angle 1 And 2 Signal Faulted
PINPOINT TEST AE: DTC C1278 - STEERING WHEEL ANGLE 1 AND 2 SIGNAL FAULTEDNormal Operation
The headlamp control module (HCM) receives steering wheel angle information from the steering angle sensor module (SASM). If the HCM receives faulty steering wheel angle data from the SASM, DTC C1278 is set.
This pinpoint test is intended to diagnose the following:
- HCM
- SASM