P10D8 Possible Causes
- Faulty Valvetronic (VVT) relay
- Valvetronic (VVT) relay wiring harness is open or short-circuited
- Poor electrical connection in the Valvetronic (VVT) relay circuit
How to Fix Code P10D8?
Start by checking the “possible causes” listed above. Visually inspect the corresponding cable harnesses and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector pins.
Possible Symptoms
Check engine light on (or service engine soon warning light)
P10D8 Meaning
The diagnostic function monitors the activation of the Valvetronic relay electrical control for a short circuit to positive.