Haldex EB Plus - Page 10

DTC DISPLAYED
EPRV 22 HOLD AND DUMP SOLENOID GROUP
EPRV 22 HOLD SC Modulator 22 hold solenoid short circuit
EPRV 22 DUMP SC Modulator 22 dump solenoid short circuit
EPRV 22 HOLD OC Modulator 22 hold solenoid open circuit
EPRV 22 DUMP OC Modulator 22 dump solenoid open circuit
EPRV 22 HOLD SC DRIVE Modulator 22 hold solenoid short circuit permanently energised
EPRV 22 DUMP SC DRIVE Modulator 22 dump solenoid short circuit permanently energised
EPRV 22 HOLD UNSPEC Modulator 22 hold solenoid control circuit fault
EPRV 22 DUMP UNSPEC Modulator 22 dump solenoid control circuit fault
DEMAND PRESSURE TRANSDUCER GROUP
DEMAND SC Service line pressure transducer short circuit
DEMAND OC Service line pressure transducer open circuit
DELIVERY PRESSURE TRANSDUCER GROUP
EPRV 21 DEL SC Modulator 21 delivery pressure transducer short circuit
EPRV 21 DEL OC Modulator 21 delivery pressure transducer open circuit
EPRV 22 DEL SC Modulator 22 delivery pressure transducer short circuit
EPRV 22 DEL OC Modulator 22 delivery pressure transducer open circuit
ONE WHEEL WITH SLOW RECOVERY GROUP
EPRV 21 SLOW REC Slow recovery of one wheel of modulator 21
EPRV 22 SLOW REC Slow recovery of one wheel of modulator 22
Possible causes:
Slow brake release, foundation brake mechanical faults, dry
bearings, broken spring, restricted piping
Check for kinks and blockages etc. Incorrect piping, Wiring.
Modulator fault. Sensor wiring crossed across an axle.
RESERVOIR PRESSURE TRANSDUCER GROUP
RESR SC Reservoir pressure transducer short circuit
RESR OC Reservoir pressure transducer open circuit
SUSPENSION PRESSURE TRANSDUCER GROUP
SUSP SC Suspension pressure transducer short circuit
SUSP OC Suspension pressure transducer open circuit
SUSP LOW Suspension pressure values outside operating range
PRESSURE SWITCH GROUP
REV SWITCH SC Relay emergency valve pressure switch short circuit
REV SWITCH OC Relay emergency valve pressure switch open circuit
REV SWITCH PNEUMATIC Relay emergency valve pressure switch pneumatic fault
REV SWITCH SIGNAL Relay emergency valve pressure switch failed to activate
10
Diagnostic Trouble Codes (DTC)