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
- Medium
- Can I keep driving?
- Yes, but with caution
- Estimated cost
- $20 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
P2501 Generator Lamp / L-Terminal Circuit High Medium
The P2501 code means the voltage in the alternator L-terminal circuit is high. It is usually caused by an open circuit in the L-terminal wire or a bad regulator. Drive with caution and keep an eye on the battery voltage.