DTC 83-11, 83-12

DTC 83-11  : PCM (Engine) Malfunction

DTC 83-12  : PCM (AT/CVT) Malfunction

NOTE: 

• Troubleshoot any PGM-FI, AT or CVT DTCs first.
• Before you troubleshoot, review the general troubleshooting information .
• VSA will set 83-11 if any PGM -FI DTC's exist.
• VSA will set 83-12 if any A/T or CVT DTC's exist.

DTCs (VSA)

1. Problem verification

   -1. Turn the vehicle to the ON mode.

   -2. Clear the DTC with the HDS.

   -3. Turn the vehicle to the OFF (LOCK) mode.

   -4. Test-drive the vehicle.

   NOTE:  Drive the vehicle on the road, not on a lift.

   -5. Check for DTCs with the HDS.

   DTC Description	DTC	Freeze Frame
   83-11 PCM (Engine) Malfunction
   83-12 PCM (AT/CVT) Malfunction

   Is DTC 83-11 or 83-12 indicated?

   YES 

   The failure is duplicated. Go to step 2.

   NO 

   Intermittent failure, the system is OK at this time. Refer to intermittent failures troubleshooting .

2. PCM check (update or substitution)

   -1. Update the PCM if it does not have the latest software , or substitute a known-good PCM .

   -2. Turn the vehicle to the ON mode.

   -3. Clear the DTC with the HDS.

   -4. Turn the vehicle to the OFF (LOCK) mode.

   -5. Test-drive the vehicle.

   NOTE:  Drive the vehicle on the road, not on a lift.

   -6. Check for DTCs with the HDS.

   DTC Description	DTC	Freeze Frame
   83-11 PCM (Engine) Malfunction
   83-12 PCM (AT/CVT) Malfunction

   Is DTC 83-11 or 83-12 indicated?

   YES 

   Go to step 3.

   NO 

   If the PCM was updated, troubleshooting is complete. If the PCM was substituted, replace the original PCM .

3. VSA modulator-control unit check (update)

   -1. Update the VSA modulator-control unit if it does not have the latest software .

   -2. Turn the vehicle to the OFF (LOCK) mode.

   -3. Test-drive the vehicle.

   NOTE:  Drive the vehicle on the road, not on a lift.

   -4. Check for DTCs with the HDS.

   DTC Description	DTC	Freeze Frame

   Is DTC 83-11 or 83-12 indicated?

   YES 

   Check for loose terminals in the VSA modulator-control unit 21P connector. If the VSA modulator-control unit was updated and the symptom/indication is still present, replace the VSA modulator-control unit .

   NO 

   Troubleshooting is complete. If any other DTCs are indicated, go to the indicated DTCs troubleshooting.