DTC Troubleshooting: P2128 (37)
  1. Check for continuity between ECM connector terminal A34 and body ground.
Is there continuity?
YES -
Go to Step 19 .
NO -
Repair open in the wire between the ECM (A34) and APP sensor B, then go to Step 14 .
  1. Turn the ignition switch OFF.
  1. Replace the accelerator pedal module.
  1. Reconnect all connectors and the battery.
  1. Turn the ignition switch ON (II).
  1. Reset the ECM with the HDS.
  1. Do the ECM idle learn procedure.
  1. Check for Temporary DTCs or DTCs with the HDS.
Is DTC P2128 indicated?
YES -
Check for poor connections or loose terminals at APP sensor B and the ECM, then go to Step 1 .
NO -
Troubleshooting is complete. If any other Temporary DTCs or DTCs are indicated, go to the indicated DTC's troubleshooting.■
  1. Reconnect all connectors.
  1. Update the ECM if it does not have the latest software, or substitute a known-good ECM.
  1. Check for Temporary DTCs or DTCs with the HDS.
Is DTC P2128 indicated?
YES -
Check for poor connections or loose terminals at APP sensor B and the ECM. If the ECM was updated, substitute a known-good ECM, then recheck. If the ECM was substituted, go to Step 1 .
NO -
If the ECM was updated, troubleshooting is complete. If the ECM was substituted, replace the original ECM. If any other Temporary DTCs or DTCs are indicated, go to the indicated DTC's troubleshooting.■