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
- Low
- Can I keep driving?
- Yes, no immediate risk
- Estimated cost
- $5 to $400
- 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
P0621 Generator Lamp "L" Control Circuit Malfunction Low
The P0621 code means there is a fault in the circuit that turns on the alternator "L" charge warning light on the dash. The vehicle runs, but the driver may miss an important warning. Fix it so the light can do its job.