DTC 56-23

DTC 56-22, 56-23: Undefinitive Received Data from the PCM

1. Turn the ignition switch OFF. Then turn the ignition switch ON (II), and see if the MIL come on.

Does the MIL come on?

YES - Go to step 2.

NO - Go to the PGM-FI System troubleshooting.

2. Erase the DTC memory.
3. Turn the ignition switch OFF and wait for 10 seconds. Then turn the ignition switch ON (II) and wait for 10 seconds.
4. Read the DTC.

Does the SRS indicator stay on, and is DTC 56-22 or 56-23 indicated?

YES - Replace the PCM.

NO - Intermittent failure, system is OK at this time. Go to Troubleshooting Intermittent Failures. Troubleshooting Intermittent Failures If another DTC is indicated, go to the DTC Troubleshooting Index. DTC List - Body Control System