DTC P0602: PCM Programming Error

2011 Honda CR-V EX, 2.4 RE3, MZJASECTION DTC P0602: PCM Programming Error
NOTE:
  • Before you troubleshoot, record all freeze data and any on-board snapshot, and review the general troubleshooting information (see GENERAL TROUBLESHOOTING INFORMATION ).
  • This DTC is indicated when a PCM update is not completed.
  • Do not turn the ignition switch to LOCK (0) or ACC (I) while updating the PCM. If you do, the PCM can be damaged.
  1. Do the PCM update procedure (see PCM Update ).
  2. Check for Pending or Confirmed DTCs with the HDS.

    Is DTC P0602 indicated? 

    YES  -Replace the original PCM (see PCM REPLACEMENT ).

    NO  -The update is complete. If any other Pending or Confirmed DTCs are indicated, go to the indicated DTC's troubleshooting.

RENDER: 1.0x

NO RELATED

Recommended Tools & Savings

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

Affiliate disclosure: We may earn a commission at no extra cost to you.

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.