1. Check for continuity between PCM connector terminal C17 and body ground.

Is there continuity?

YES | - | Repair short in the wire between PCM connector terminal C17 and the transmission range switch, then go to Step 49 .
NO | - | Update the PCM if it does not have the latest software, or substitute a known-good PCM, then recheck. If the symptom/indication goes away with a known-good PCM, replace the original PCM .■

1. Shift to all positions other than D3.