Mack Turbo Fault Codes

Mack fault code PID103 generally relates to turbocharger boost pressure or intake manifold pressure feedback.

Mack fault code SPN1030 generally indicates turbocharger boost pressure above the expected range.

Mack fault code SPN1031 generally indicates turbocharger boost pressure below the expected range.

Mack fault code SPN1039 generally indicates abnormal update rate or communication-related boost pressure data.

Mack fault code SPN112714 is generally related to turbocharger or air-management performance requiring special diagnostic action.

Mack fault code SPN112718 generally indicates a turbocharger or air-management value below the expected range.

Mack fault code SPN64113 points to a VGT actuator calibration or out-of-calibration condition.

Mack fault code SPN6417 indicates a VGT actuator mechanical response problem.

Mack fault code SPN6419 indicates abnormal update rate or communication loss involving the VGT actuator.