Subject: | 4.6L LH2 Engine DTC P0011, P0014, P0021, P0024, P0300 after Engine Service |
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When servicing the vehicle with the VIN you entered, the following diagnosis might be helpful if the vehicle exhibits the described symptoms.
04 Cadillac SRX 4.6L (LH2) engine runs rough on light acceleration during the first two minutes of a key cycle and sets DTC P0011, P0014, P0021, P0024, P0300. This is a problem that can develop after the engine main wire harness has been replaced for a different concern.
Inspect to be sure the cam actuator harness has been installed correctly. Note: Correct routing of the cam actuator harness has it coming up from below the intake on the right (passenger) side of the throttle. The short branch connects to the right head and the long branch connects to the left head. There are tags on the harness labeled left and right.
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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.
(2004 CADILLAC SRX 4.6L (LH2) ENGINE)
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