DTC Troubleshooting: P2127 (37)
  1. Check for continuity between ECM/PCM connector terminal A19 and body ground.
Is there continuity?
YES -
Go to Step 13 .
NO -
Repair open in the wire between the ECM/PCM (A19) and APP sensor B, then go to Step 24 .
  1. Reconnect ECM/PCM connector A (49P).