CAN Network

NOTE: Fault Mode Tables: Fault Modes

Condition(s):
DTC P1637 CAN link ECM/ABS/TCCM circuit/network malfunction
Possible Source(s):
- See table Fault Modes 1 & 3.

Action(s) to take:
- Go to Pinpoint Test I P1637


DTC P1843 CAN link ECM/TCM circuit/network malfunction
Possible Source(s):
- See table Fault Modes 2, 3, 6 & 7.

Action(s) to take:
- Go to Pinpoint Test J P1643


DTC P1797 CAN TCM - ECM malfunction
Possible Source(s):
See table Fault Modes 2, 3, 6 & 7.

Action(s) to take:
- Go to Pinpoint Test J P1643


DTC P1638 CAN link ECM/INST circuit/network malfunction
Possible Source(s):
- See table Fault Modes 5, 3 & 8.

Action(s) to take:
- Go to Pinpoint Test K P1638


DTC P1642 CAN link circuit malfunction
Possible Source(s):
- See table Fault Mode 9.
- Harness fault, look for an accompanying DTC to pin-point the location of the problem

Action(s) to take:
- Go to Pinpoint Test L P1642


DTC P1796 CAN controller circuit malfunction
Possible Source(s):
- See table Fault Mode 9.
- Harness fault, look for an accompanying DTC to pin-point the location of the problem

Action(s) to take:
- Go to Pinpoint Test L P1642


DTC P1795 Inconsistent CAN level
Possible Source(s):
- Incorrect control module fitted possibly as a result of service action

Action(s) to take:
- Verify correct part #