LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Acura >> 1997 >> 3.5RL >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Tests W/Codes >> Circuit Tests >> DTC P1607: Pcm Internal Failure
April 5, 2026: LEMON Manuals is launched! Read the announcement.

DTC P1607: Pcm Internal Failure

NOTE: PCM is part of the immobilizer system. When substituting a known good PCM, rewrite vehicle immobilizer code to replacement PCM using a Honda PGM tester, or engine will not start.

Perform PCM reset procedure. See PCM RESET PROCEDURE/CLEARING CODES  . Turn ignition on. Wait 3 seconds. If DTC P1607 does not reset, problem is intermittent, system is okay at this time. If DTC P1607 resets, substitute a known good PCM, then recheck. If symptom or indication goes away, replace original PCM.

scientia non olet · About LEMON Manuals