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
- $10 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
P0887 TCM Power Relay Control Circuit High High
The P0887 code means the control circuit for the transmission computer power supply is reading high voltage, either an open circuit or a short to voltage. It can send the transmission into limp mode or cause erratic shifting. Start with the connector, the wiring, the fuse and the relay.