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: Powertrain Control Module (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: 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 PCM UPDATE ), or substitute a known-good PCM (see HOW TO SUBSTITUTE THE PCM ).
- Start the engine, and let it run for at least 2 minutes.
- Check for DTC(s) in the DTCs/Freeze Data in A/T Mode Menu 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 HOW TO SUBSTITUTE THE PCM ), then recheck. If the PCM was substituted, 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 result indicate PASSED?
YES - If the PCM was updated, troubleshooting is complete. If the PCM was substituted, replace the original PCM (see PCM REPLACEMENT ). If any other DTCs were indicated on step 6, go to the INDICATED DTCS TROUBLESHOOTING .
NO - If the HDS indicates FAILED, check for poor connections and loose terminals at the PCM. If the PCM was updated, substitute a known-good PCM (see HOW TO SUBSTITUTE THE PCM ), then recheck. If the PCM was substituted, go to step 1. If the HDS indicates NOT COMPLETED, keep idling until a result comes on.
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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.