Multi-code OBD2 diagnosis
Enter all the codes your scanner showed, not just the first one. We give you the overall severity, whether you can keep driving, the order in which to check them and how they relate to each other.
Summary
- Overall severity
- High
- Can I keep driving?
- Yes, but with caution
- Estimated cost
- $0 to $450
- Codes analyzed
- 1 of 1
The order below is the recommended one: first the codes that can cause the others. After each repair, clear the codes and check which ones come back.
Order of inspection
P1516 Throttle Actuator Position Performance (GM) High
On General Motors vehicles (Chevrolet, GMC, Buick, Cadillac), the P1516 code means the throttle actuator position performance is off. The engine barely accelerates and the vehicle goes into reduced power. Other brands may define this number differently.