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B1010 — A/C Pressure Sensor Circuit Fault
CautionHVACLimp to the next safe stop
Seen on: Heavy Truck
A/C Pressure Sensor Circuit Fault. Common causes: A/C pressure sensor failure.
Don't risk it — get a diesel tech on the truck.
Look up listed providers near you and give them this code when you call.
How serious is it?
Caution. Limp to the next safe stop.
Most likely causes
- A/C pressure sensor failure
- Failed sensor
- wiring fault
First moves (roadside)
- Check A/C pressure sensor voltage
- verify system pressure
- replace sensor
FAQ
What does B1010 mean?
A/C Pressure Sensor Circuit Fault. Common causes: A/C pressure sensor failure.
How serious is B1010?
Caution — Limp to the next safe stop.
What's the most likely cause of B1010?
The most common cause is: A/C pressure sensor failure. Other possibilities include Failed sensor; wiring fault.
Can I keep driving with B1010?
Limp to the next safe stop. When in doubt, get a qualified mobile diesel tech on the truck before continuing.
Throwing this code right now?
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General diagnostic guidance for diesel engines (Cummins, Detroit, PACCAR, Volvo, Mack and more). Not a substitute for a scan-tool diagnosis on your specific truck.