DTC 83-14

DTC 83-13: PCM Communication Error
DTC 83-14: 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 the 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 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 PCM.