DTC DISPLAYED
ECU TIME OUT No supply on ignition switched line.
or Possible causes:
NO LINK Truck fuse blown.
EB
+
INFO CENTRE or cable fault.
Open circuit B -. ISO7638 not connected
SENSOR GROUP
If a Diagnostic Trouble Code not listed below is displayed check for intermittent sensor and wiring faults.
9
Diagnostic Trouble Codes (DTC
))
))
)
S1A CONT 1A Sensor/wiring open or short circuit
S1B CONT 1B Sensor/wiring open or short circuit
S2A CONT 2A Sensor/wiring open or short circuit
S2B CONT 2B Sensor/wiring open or short circuit
INTERMITTENT LOW SENSOR OUTPUT GROUP
S1A SIGNAL 1A Sensor signal fault
S1B SIGNAL 1B Sensor signal fault
S2A SIGNAL 2A Sensor signal fault
S2B SIGNAL 2B Sensor signal fault
Possible causes:
Loose sensor, connection, bracket or exciter. Damaged exciter.
Maladjusted sensor or worn sensor cable insulation.
LOW SENSOR OUTPUT GROUP
S1A OUTPUT 1A Sensor system fault
S1B OUTPUT 1B Sensor system fault
S2A OUTPUT 2A Sensor system fault
S2B OUTPUT 2B Sensor system fault
Possible causes:
Sensor worn, maladjusted sensor, wiring open or short circuit
BRAKE APPLY SOLENOID GROUP
BRK APPLY SC Brake apply solenoid short circuit
BRK APPLY OC Brake apply solenoid open circuit
BRK APPLY SC DRIVE Brake apply solenoid short circuit permanently energised
BRK APPLY UNSPEC Brake apply solenoid control circuit fault
EPRV 21 HOLD AND DUMP SOLENOID GROUP
EPRV 21 HOLD SC Modulator 21 hold solenoid short circuit
EPRV 21 DUMP SC Modulator 21 dump solenoid short circuit
EPRV 21 HOLD OC Modulator 21 hold solenoid open circuit
EPRV 21 DUMP OC Modulator 21 dump solenoid open circuit
EPRV 21 HOLD SC DRIVE Modulator 21 hold solenoid short circuit permanently energised
EPRV 21 DUMP SC DRIVE Modulator 21 dump solenoid short circuit permanently energised
EPRV 21 HOLD UNSPEC Modulator 21 hold solenoid control circuit fault
EPRV 21 DUMP UNSPEC Modulator 21 dump solenoid control circuit fault
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