Check for continuity between the No. 1 and No. 5 terminals at the transmission range switch. The shift position must be R. Is there continuity?
YES | - | Check for loose or poor connections at the transmission range switch connector terminal No. 1. If the connection is OK, repair open in the wire between PCM connector terminal C12 and the transmission range switch, then go to Step 12 .
NO | - | Replace the transmission range switch, then go to Step 12 .
Clear the DTC with the HDS. Start the engine, and shift the shift lever slowly into the P, R, then N position. Monitor the OBD status for P0812 in the DTCs/Freeze Data in A/T Mode Menu for a pass/fail. Does the result indicate a pass?
YES | - | The problem has been corrected.■
NO | - | Return to Step 1 and recheck.■