DTC 83-13

DTC 83-13: ECM Communication Error

DTC 83-14: ECM Communication Error
1. Turn the ignition switch to ON (II).
2. Clear the DTC with the HDS.
3. Test-drive the vehicle.
4. Check for DTCs with the HDS.

Is DTC 83-13, or 83-14 indicated?

YES - Go to step 5.

NO - Intermittent failure, the system is OK at this time. Check for loose terminals between ECM connector A (44P) and-the VSA modulator-control unit 37P connector. Refer to intermittent failures troubleshooting.

5. Turn the ignition switch to LOCK (0).
6. Substitute a known-good ECM.
7. Turn the ignition switch to ON (II).
8. Clear the DTC with the HDS.
9. Test-drive the vehicle.
10. Check for DTCs with the HDS.

Is DTC 83-13, 83-14 indicated?

YES - Replace the VSA modulator-control unit.

NO - Replace the original ECM.