GMC Acadia P0204:  Injector Circuit Malfunction | Cylinder 4

P0204 is an OBD II trouble code.  It means that you have a fuel injector with a circuit malfunction, specifically the fourth cylinder in the firing order).  It’s generic code, which means that it means the same thing for the GMC Acadia as it would for any other vehicle. When the PCM sees that the … Read more

GMC Acadia P0015: “B” Camshaft Timing  → Over Retarded

  P0015 is a generic OBD II trouble code. It affects vehicles with variable valve timing (VVT). The list of VVT vehicles is growing, and the GMC Acadia can have VVT, and is known to develop this code. VVT changes the frequency and distribution of gases entering and exiting the combustion chamber. It allows the … Read more