Author: Tbone
Subject: AWD Malfunction / Haldex servicing info
Posted: 06 Apr 2018 at 1:13pm
Subject: AWD Malfunction / Haldex servicing info
Posted: 06 Apr 2018 at 1:13pm
cheers for the info, Andywsr. pump working fine AWD works great, I recently bought the OBDLink MX using FORScan, the codes showing are; B2477-40 DTCs in AWD and U1900-20 DTCs in IC
at the moment I have zero clue to what I am doing, I'm on a slow learning curve, but I think DTC means Diagnostic Trouble Code. I know what AWD is, and IC = Instrument Cluster.
B2477-40 possible causes (as per google search)
- Reprogram Module ('Flashing')
- New powertrain Module (PCM) needs programming
- Incorrect Vehicle Identification (VID) configuration
**I did have a replacement ABS pump and module fitted, maybe this is the module that is requiring one or all of the 3 mentioned above.
U1900-20 possible causes (as per google search)
Faulty / intermittent ignition switch connection
CAN Bus wiring intermittently open/shorted to power or ground
Faulty / intermittent connection at PCM
Faulty electrical connections at ABS Control Module
Faulty electrical connections at the instrument cluster
Poor connections at the trailer brake controller/trailer connector
** **I did have a replacement ABS pump and module fitted, maybe this is the module that is requiring one or all of the mentioned above, mainly to do with the ABS.
like I said I am new at this game and IT is not my forte, however I have a fierce will to know and understand, any help/direction will be truly appreciated cheers