DTC 72 - IPC Serial Data Line Fault: Notes
DTC 72 will set and TRACTION DISABLED indicator will illuminate if communication between the EBTCM and the IPC is lost.
NOTE:
Test numbers refer to numbers on diagnostic chart.
- Checks to see if off-board device can communicate with EBTCM.
- Checks for a short to battery voltage in serial data circuit.
- Checks for a short to ground in serial data circuit.
- Checks for an open in serial data circuit.
- Checks if off-board device can communicate with EBTCM.
- If connections at EBTCM and DLC connector are okay, replace EBTCM.