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 for Pending or Confirmed DTCs in the PGM-FI SYSTEM with the HDS.
Is DTC P062F indicated in the PGM-FI SYSTEM?
YES -Troubleshoot for DTC P062F in the PGM-FI SYSTEM; K24Z1 engine (see DTC P062F: PCM INTERNAL CONTROL MODULE KEEP ALIVE MEMORY (KAM) ERROR ), K24Z6 engine (see DTC P062F: PCM INTERNAL CONTROL MODULE KEEP ALIVE MEMORY (KAM) ERROR ).
NO -Go to step 3.
- Check for Pending or Confirmed DTCs in the A/T SYSTEM 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; K24Z1 engine (see PCM UPDATE ), K24Z6 engine (see PCM UPDATE ), or substitute a known-good PCM; K24Z1 engine (see SUBSTITUTING THE PCM ), K24Z6 engine (see SUBSTITUTING THE 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; K24Z1 engine (see SUBSTITUTING THE PCM ), K24Z6 engine (see SUBSTITUTING THE PCM ), then recheck. If the PCM was substituted, reinstall the original PCM, then Go to step 1.
NO -Go to step 7.
- 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; K24Z1 engine (see PCM REPLACEMENT ), K24Z6 engine (see PCM REPLACEMENT ). If any other Pending or Confirmed DTCs were indicated on step 6, go to the indicated DTC's troubleshooting.
NO -If the HDS indicates FAILED, check for poor connections and loose terminals at the MAP sensor and the PCM. If the PCM was updated, substitute a known-good PCM; K24Z1 engine (see SUBSTITUTING THE PCM ), K24Z6 engine (see SUBSTITUTING THE PCM ), then recheck. If the PCM was substituted, reinstall the original PCM, then Go to step 1. If the HDS indicates NOT COMPLETED, Go to step 5 and recheck.
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.