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
- $100 to $1,500
- 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
P0942 Hydraulic Pressure Unit High
The P0942 code means the computer found a general fault in the hydraulic unit that operates the clutch and the shifts of an automated manual transmission. The gearbox may stop shifting. Start with the fluid level, then check the accumulator and the pump.