DTC 83-14

DTC 83-13: ECM/PCM Communication Error

DTC 83-14: ECM/PCM Communication Error

1. Turn the ignition switch 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/PCM connector E (31P) and the VSA modulator-control unit 37P connector. Refer to intermittent failures troubleshooting.

5. Turn the ignition switch OFF.
6. Substitute a known-good ECM/PCM.
7. Turn the ignition switch 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 or 83-14 indicated?

YES - Replace the VSA modulator-control unit.

NO - Replace the original ECM/PCM.