DTC Troubleshooting: P2228 (13-5), P2229 (13-6)

DTC P2228 (13-5):  BARO Sensor Circuit Low Voltage
  
  

1.Reset the ECM/PCM.

2.Turn the ignition switch ON (II).

Is DTC P2228 or P2229 indicated?


YES - Substitute a known-good ECM/PCM and recheck. If symptom/indication goes away, replace the original  ECM/ PCM.n


NO - Intermittent failure, system is OK at this time.n