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
- $80 to $900
- 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
P0778 Pressure Control Solenoid B Electrical High
The P0778 code means the transmission control module found an electrical fault in pressure control solenoid B: an open circuit, a short or a resistance out of range. Check the transmission connector and wiring before you replace the solenoid. The transmission can shift harshly or drop into limp mode.