Why do I have an engine code P0014 on my 2018 Holden Calais-V?

Fault code P0014 is, indeed, a problem with the engine’s camshaft timing. It’s also a very common one on these late-model V6 Holdens. Your engine doesn’t have a timing belt, instead using a timing chain which, theoretically, should be good for the life of the car. Unfortunately, in this V6 engine, the timing chain was under-engineered and many owners have found out the hard way that the timing chain needs replacement at relatively low mileages.

The fault code shows up when the car’s computer can’t make sense of the relationship between the engine’s crankshaft and camshafts. That’s because when the timing chain stretches, that relationship varies and the engine’s valves are no longer opening and closing precisely when they should. At that point, the computer throws its hands in the air and triggers the fault code and check-engine light.

The only real fix is to replace the timing chains. The cost will vary depending on what else needs to be done and who carries out the work, but even at its cheapest, this job could easily run into the $2000 to $3000 region. Industry wisdom also suggests that you also replace the timing chain guide and oil pump at the same time.