"ISSUE:
A CUSTOMER MAY REPORT THE VEHICLE STEERING FEELS HEAVY POTENTIALLY ACCOMPANIED BY VISUAL OR AUDIBLE WARNINGS THROUGH THE INSTRUMENT PACK. THE FOLLOWING DTCS MAY ALSO BE LOGGED:
EPAS DTCS LOGGED:
-B1304-16: ELECTRONIC POWER ASSISTED STEERING (EPAS) SYSTEM CIRCUIT VOLTAGE BELOW THRESHOLD
-U3001-00: POWER STEERING CONTROL MODULE (PSCM) SYSTEM IMPROPER SHUTDOWN.
THESE MAY BE ACCOMPANIED BY:
-U0001-87 / 88 HIGH SPEED CAN BUS INVALID SERIAL DATA RECEIVED / MISSING MESSAGE.
CHCM DTCS LOGGED:
-U0131-00 CHASSIS CONTROL MODULE (CHCM) LOST COMMS WITH PSCM.
-U3003-62 BATTERY VOLTAGE SIGNAL COMPARE FAILURE.
-U0420-68 CHCM INVALID DATA RECEIVED FROM PSCM.
CAUSE:
THIS MAY BE CAUSED BY:
-LOW BATTERY VOLTAGE.
-WIRING HARNESS ISSUE (SHORT / OPEN CIRCUIT, HIGH RESISTANCE).
-HIGH RESISTANCE AT EPAS EARTH TERMINAL (FOR L405/L494) G1D132 AND OR G4D178, (SEE
ATTACHED DIAGRAM). OR IF ON L550/L538 HIGH RESISTANCE AT G1D122A, G1D122B,
G1D122AZ AND G1D108."
