Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
DTC P062F: PCM Internal Control Module Keep Alive Memory (KAM) Error
- Clear the DTC with the HDS.
- Check whether DTC P062F is indicated in the DTCs/Freeze Data in PGM-FI Mode Menu with the HDS.
Is DTC P062F indicated in the PGM-FI system?
YES -Troubleshoot for DTC P062F in the PGM-FI System (see DTC P062F: ECM/PCM INTERNAL CONTROL MODULE KEEP ALIVE MEMORY (KAM) ERROR ).
NO -Go to step 3.
- Check whether DTC P062F is indicated in the DTCs/Freeze Data in A/T Mode Menu with the HDS.
Is DTC P062F indicated?
YES -Go to step 4.
NO -Intermittent failure, the system is OK at this time.
- Update the A/T software in the PCM if it does not have the latest software (see ECM/PCM UPDATE ), or substitute a known-good PCM (see SUBSTITUTING THE ECM/PCM ).
- Start the engine, and let it idle for 2 minutes.
- Check for Pending or Confirmed DTCs with the HDS.
Is DTC P062F indicated?
YES -Check for poor connections and loose terminals at the PCM. If the PCM was updated, substitute a known-good PCM (see SUBSTITUTING THE ECM/PCM ), then recheck. If the PCM was substituted, then go to step 1.
NO -Go to step 7.
- Monitor the OBD STATUS for P062F in the DTCs/Freeze Data in A/T Mode Menu for a pass/fail.
Does the HDS indicate PASSED?
YES -If the PCM was updated, troubleshooting is complete. If the PCM was substituted, replace the original PCM (see ECM/PCM REPLACEMENT ). If any other DTCs were indicated on step 6, go to the indicated DTC's troubleshooting.
NO -Check for poor connections and loose terminals at the PCM. If the PCM was updated, substitute a known-good PCM (see SUBSTITUTING THE ECM/PCM ), then recheck. If the PCM was substituted, then go to step 1. If the HDS indicates NOT COMPLETED, return to step 5 and recheck.
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.
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