Fault code 5523: Diagnosis/troubleshooting
NOTE:
Before troubleshooting, read out the fault memory of the DME control module and eliminate any faults present.
DIAGNOSIS/TROUBLESHOOTING (FAULT CODE 5523)
| Work instruction | Display OK | If not OK | ||
|---|---|---|---|---|
| 1 | Check CAN bus (high) from DME contol unit to PSM control unit for open circuit |
|
< 5 Step 2 |
Open circuit between DME control module plug pin D36 and PSM control module plug pin (PSM 5.3) pin 61; (PSM 5.7) pin 24 ->End |
| 2 | Check CAN bus (low) from DME control unit to PSM control unit for open circuit |
|
< 5 Step 3 |
Open circuit between DME control module plug pin D37 and PSM control module plug (PSM 5.3) pin 63; (PSM 5.7) pin 40 ->End |
| 3 | Replace DME control module | ->End | ||