C1093

DTC C1091 / C1092 / C1093: ECM / TCM / 4WD Control Module Data in CAN Line Failure

DTC Detecting Condition and Trouble Area






DTC Troubleshooting

1.
Was "Electronic Stability Program Check" performed?
YES -
Go to Step 2.
NO -
Go to (ESP) Check Electronic Stability Program Check.

2. DTC check other control module than ESP(R)

Check DTC for ECM, TCM and/or 4WD control module.

Is there any DTC(s)?
YES -
Go to applicable DTC diag. flow.
NO -
Substitute a known-good ESP(R) hydraulic unit / control module assembly and recheck.