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
- Turn the ignition switch to ON (II).
- Clear the DTC with the HDS.
- Check for Pending or Confirmed DTCs in the PGM-FI SYSTEM with the HDS.
Is DTC P062F indicated in the PGM-FI SYSTEM?
YES -Go to the DTC P062F troubleshooting in the PGM-FI SYSTEM (see DTC P062F: PCM INTERNAL CONTROL MODULE KEEP ALIVE MEMORY (KAM) ERROR ).
NO -Go to step 4.
- Check for Pending or Confirmed DTCs in the A/T SYSTEM with the HDS.
Is DTC P062F indicated in the A/T SYSTEM?
YES -Go to step 5.
NO -Intermittent failure, the system is OK at this time. If any other Pending or Confirmed DTCs were indicated, go to the indicated DTC'S TROUBLESHOOTING .
- Update the PCM if it does not have the latest software (see KNOCK SENSOR REPLACEMENT ), or substitute a known-good PCM (see SUBSTITUTING THE PCM ).
- Start the engine, and wait for at least 1 minute.
- Check for Pending or Confirmed DTCs in the A/T SYSTEM with the HDS.
Is DTC P062F indicated in the A/T SYSTEM?
YES -Check for poor connections or loose terminals at the PCM. If the PCM was updated, substitute a known-good PCM (see SUBSTITUTING THE PCM ), then go to step 6. If the PCM was substituted, go to step 2.
NO -Go to step 8.
- Monitor the OBD STATUS for P062F in the DTCs MENU with the HDS.
Does the HDS 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 Pending or Confirmed DTCs were indicated in step 7, go to the indicated DTC'S TROUBLESHOOTING .
NO -If the HDS indicates FAILED, check for poor connections or loose terminals at the PCM. If the PCM was updated, substitute a known-good PCM (see SUBSTITUTING THE PCM ), then go to step 6. If the PCM was substituted, go to step 2. If the HDS indicates NOT COMPLETED, go to step 6.
NO RELATED
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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.