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
- $40 to $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
P0847 Transmission Fluid Pressure Sensor/Switch B Circuit Low High
The P0847 code means the signal from transmission fluid pressure sensor or switch B is lower than the computer expects. The main effect is that the transmission goes into limp mode. A signal wire shorted to ground is the usual cause.