Work Instruction 1 - 5
NOTE:
- Before troubleshooting, first erase the fault memory and perform a test drive.
- If fault codes 5505 and 5506 are displayed together, then voltage drops can be assumed.
Fault Code 5520
Fault Code 5520
CAN Data Bus (Drive)
Total failure of CAN drive communication
Diagnostic conditions
- Ignition on
Possible cause of fault
- Short circuit to B+/ground/between lines or open circuit in CAN drive
- One or more control units connected directly to CAN drive are faulty
- PSM control unit faulty
Affected pins
Pin 24 and pin 40
Diagnosis/troubleshooting for vehicles with manual transmission