Scania RET fault codes
All 79 Scania RET (Retarder) diagnostic trouble codes, with meaning, causes and how to fix them.
Control units:
OPC4 (RET)OPC5 (RET2)
Showing 61–79 of 79 codes
- 28678hex 7006 Solenoid valve for operating freewheeling retarder
- 28929hex 7101 The synchromesh actuating arm remains immobile in the engaged position
- 28930hex 7102 The synchromesh actuating arm does not reach the disengaged position
- 29185hex 7201 Long disengagement time for freewheeling retarder
- 29186hex 7202 The synchromesh actuating arm cannot be engaged.
- 29187hex 7203 The synchromesh actuating arm cannot be disengaged
- 29952hex 7500 Open circuit in solenoid valve for operating the freewheeling retarder.
- 29953hex 7501 Solenoid valve for operating freewheeling retarder
- 29954hex 7502 Solenoid valve for operating freewheeling retarder
- 30208hex 7600 Freewheeling retarder position sensor is short-circuited to ground
- 30209hex 7601 Position sensor for freewheeling retarder
- 30210hex 7602 There is an internal fault in the freewheeling retarder position sensor
- 30211hex 7603 There are incorrect voltage levels in the freewheeling retarder position sensor
- 65410hex FF82 CAN message for engine speed from EMS
- 65411hex FF83 CAN message for propeller shaft speed from TCO
- 65412hex FF84 CAN wheel speed message
- 65415hex FF87 CAN message for mode in transfer gearbox
- 65500hex FFDC CAN message for ABS
- 65501hex FFDD ESP control