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
- $30 to $700
- 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
P0622 Generator Field "F" Control Circuit Malfunction High
The P0622 code means the computer found an electrical fault in the alternator field "F" control circuit. It can cause the battery to stop charging or to charge too much. Check the fuse, relay, connector and wiring before you replace the alternator.