Diagnostic Trouble Codes (Dtc) - BPW ECO Tronic EBS Operating And Installation Instructions

8 System diagnostics

8.2 Diagnostic Trouble Codes (DTC)

If a Diagnostic Trouble Code displayed is not listed here, check for intermittent sensor and wiring faults.
DTC Displayed
ECU TIME OUT
or
NO LINK
Sensor Group
WHEEL SENSOR 1A
CONTINUITY
WHEEL SENSOR 1B
CONTINUITY
WHEEL SENSOR 2A
CONTINUITY
WHEEL SENSOR 2B
CONTINUITY
Intermittent Low Sensor Output Group
WHEEL SENSOR 1A
SIGNAL INTEGRITY
WHEEL SENSOR 1B
SIGNAL INTEGRITY
WHEEL SENSOR 2A
SIGNAL INTEGRITY
WHEEL SENSOR 2B
SIGNAL INTEGRITY
Low Sensor Output Group
WHEEL SENSOR 1A
OUTPUT LEVEL
WHEEL SENSOR 1B
OUTPUT LEVEL
WHEEL SENSOR 2A
OUTPUT LEVEL
WHEEL SENSOR 2B
OUTPUT LEVEL
94
Description
No supply on ignition
switched line.
Possible causes:
Truck fuse blown
Trailer Monitor or cable fault.
Open circuit B -. ISO7638
not connected
1A Sensor/wiring open or
short circuit
1B Sensor/wiring open or
short circuit
2A Sensor/wiring open or
short circuit
2B Sensor/wiring open or
short circuit
1A Sensor signal fault
1B Sensor signal fault
2A Sensor signal fault
2B Sensor signal fault
Possible causes:
Loose sensor, sensor
connection, bracket or
exciter ring. Damaged
exciter ring, cable insulation
worn or maladjusted senor.
1A Sensor system fault
1B Sensor system fault
2A Sensor system fault
2B Sensor system fault
Possible causes:
Sensor worn, maladjusted
sensor, wiring open or short
circuit
DTC Displayed
Brake Apply Solenoid Group
BRAKE APPLY SOLENOID
SHORT CIRCUIT
BRAKE APPLY SOLENOID
OPEN CIRCUIT
BRAKE APPLY SOLENOID
SHORT TO B+
BRAKE APPLY
UNSPECIFIED FAULT
EPRV 21 Hold and Dump Solenoid Group
EPRV 21 HOLD SOLENOID
SHORT CIRCUIT
EPRV 21 DUMP SOLENOID
SHORT CIRCUIT
EPRV 21 HOLD SOLENOID
OPEN CIRCUIT
EPRV 21 DUMP SOLENOID
OPEN CIRCUIT
EPRV 21 HOLD SOLENOID
SHORT TO B+
EPRV 21 DUMP SOLENOID
SHORT TO B+
EPRV 21 HOLD SOLENOID
UNSPECIFIED FAULT
EPRV 21 DUMP SOLENOID
UNSPECIFIED FAULT
EPRV 22 Hold and Dump Solenoid Group
EPRV 22 HOLD SOLENOID
SHORT CIRCUIT
EPRV 22 DUMP SOLENOID
SHORT CIRCUIT
EPRV 22 HOLD SOLENOID
OPEN CIRCUIT
EPRV 22 DUMP SOLENOID
OPEN CIRCUIT
EPRV 22 HOLD SOLENOID
SHORT TO B+
EPRV 22 DUMP SOLENOID
SHORT TO B+
EPRV 22 HOLD SOLENOID
UNSPECIFIED FAULT
EPRV 22 DUMP SOLENOID
UNSPECIFIED FAULT
Description
Brake apply solenoid short
circuit
Brake apply solenoid open
circuit
Brake apply solenoid
short circuit permanently
energised
Brake apply solenoid control
circuit fault
Modulator 21 hold solenoid
short circuit
Modulator 21 dump solenoid
short circuit
Modulator 21 hold solenoid
open circuit
Modulator 21 dump solenoid
open circuit
Modulator 21 hold solenoid
short circuit permanently
energised
Modulator 21 dump solenoid
short circuit permanently
energised
Modulator 21 hold solenoid
control circuit fault
Modulator 21 dump solenoid
control circuit fault
Modulator 22 hold solenoid
short circuit
Modulator 22 dump solenoid
short circuit
Modulator 22 hold solenoid
open circuit
Modulator 22 dump solenoid
open circuit
Modulator 22 hold solenoid
short circuit permanently
energised
Modulator 22 dump solenoid
short circuit permanently
energised
Modulator 22 hold solenoid
control circuit fault
Modulator 22 dump solenoid
control circuit fault