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 $500
- 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
P2104 Throttle Actuator Control System - Forced Idle High
The P2104 code means the computer put the electronic throttle system into forced idle. It is a protective measure: the engine stays at idle even when you press the gas pedal. It almost always shows up with another code that points to the real cause, so read all the codes first.