Body
generic / SAE
B0040
Outside Temperature Sensor Circuit
The HVAC or body control module has detected an implausible signal from the outside (ambient) temperature sensor. The displayed outside temperature may be wrong or missing and automatic climate control may behave incorrectly.
SystemBody
Typegeneric / SAE
GroupB0
Range / number– / 40
Possible causes
- Ambient temperature sensor failed high
- Wiring or connector fault to sensor medium
Symptoms
- Warning light or symbol related to the affected system
- Comfort or safety function impaired
Inspection / repair
- Difficulty: easy
- DIY: possible
- Estimated cost: 30–150 €
- Estimated time: 0.3–1 h
- Component: outside temperature sensor
- Component: hvac control module
- Component: body control module
Sources
References
sae:J2012