How do you reset the PCM on a Ford Edge?
How do you reset the PCM on a Ford Edge? How to Reset the Ford PCMOpen the hood of the Ford. Loosen the lock nut located on the negative battery cable connector with a socket and ratchet. Wait for 20 minutes while the PCM bleeds off the electricity it stores for backup power. Once the power drains from the PCM, it resets. What should my PCM read when the engine is off? Reconnect any loose wires if necessary. If your PCM has experienced corrosion, you’ll have to skip to step 5 to see if it’s failed. While you’re under the...