( TF09EABK72100091109FAAT00 )
DTC Troubleshooting: P1109 (13)
DTC P1109:
 BARO Sensor Circuit Out of Range High
NOTE: Before you troubleshoot, record all freeze data and any on-board snapshot, and review the general troubleshooting information.
  1. Reset the ECM/PCM with the HDS.
  1. Start the engine.
  1. Check for Temporary DTCs or DTCs with the HDS.
Is DTC P1109 indicated?
YES -
Go to Step 4 .
NO -
Intermittent failure, the system is OK at this time.■
  1. Check for Temporary DTCs or DTCs with the HDS.
Is DTC P1109 indicated?
YES -
If the ECM/PCM was updated, substitute a known-good ECM/PCM, then recheck. If the ECM/PCM was substituted, go to Step 1 .
NO -
If the ECM/PCM was updated, troubleshooting is complete. If the ECM/PCM was substituted, replace the original ECM/PCM. If any other Temporary DTCs or DTCs are indicated, go to the indicated DTC's troubleshooting.■