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
- Medium
- Can I keep driving?
- Yes, but with caution
- Estimated cost
- $40 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
P0938 Hydraulic Oil Temperature Sensor Circuit Range/Performance Medium
The P0938 code means the hydraulic oil temperature sensor gives a reading that is electrically valid but does not match what the computer expects. Shifts can turn slower or harsher. A multimeter rarely finds this fault, so you compare the reading with the real condition.