U1202

DTC U1202 (64): Motor Control Module (MCM) Internal Circuit Malfunction

DTC U1203 (75): Motor Control Module (MCM) Internal Circuit Malfunction
1. Turn the ignition switch ON (II).
2. Check for Temporary DTCs or DTCs of the PGM-FI system with the HDS.
Is DTC U0037 indicated?
YES - Do the troubleshooting for DTC U0037.
NO - Go to step 3.

3. Reset the MCM.
4. Check for Temporary DTCs or DTCs with the HDS.
Is DTC U1202 or U1203 indicated?
YES - Go to step 5.
NO - Intermittent failure, system is OK at this time.

5. Update the MCM if it does not have the latest software, or substitute a known-good MCM.
6. Check for Temporary DTCs or DTCs with the HDS.
Are any Temporary DTCs or DTCs indicated?
YES - If DTC U1202 or U1203 is indicated, check for poor connections or loose terminals at the MCM, then go to step 1. If any other Temporary DTCs or DTCs are indicated, go to the indicated DTC's troubleshooting.
NO - If the MCM was updated, troubleshooting is complete. If the MCM was substituted, replace the original MCM.