6.6L LB7 Duramax Diesel DTC P0234, P0106

When servicing the vehicle with the VIN you entered, the following diagnosis might be helpful if the vehicle exhibits the described symptoms.

DTCs P0234 and or P0106

1. Verify all intake air duct work clamps are securely clamped and correctly positioned. Refer to SI documents 697123 and 741002 for locations on clamps and duct work.
2. Verify connection to baro sensor is good. If P0106 is reoccuring, replace baro sensor.
3. If all duct work is secure, and the trouble tree for the associated DTC leads to NTF, and if the DTC is set only when a load is placed on the engine, reflash the PCM with calibration 15076144 or higher.

Please follow this diagnosis process thoroughly and complete each step. If the condition exhibited is resolved without completing every step, the remaining steps do not need to be performed. If these steps do not resolve the condition, please contact GM TAC for further diagnostic assistance. This diagnostic approach was developed for the vehicle with the VIN you entered and should not be automatically be used for other vehicles with similar symptoms.