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
- $0 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
U0171 Lost Communication With Restraint System Sensor B High
The U0171 code means other modules in the vehicle stopped receiving messages from restraint system sensor B. The airbag light comes on and some airbags may not deploy. Start with the battery, the sensor power and grounds, and the network wiring before you replace anything.