B2876, B2877, B2878
Read the instructions below then
start the fault diagnostic procedure.
Symptom: Airbag warning lamp on.
B2876
Side Airbag Sensor, Passenger. Faulty Communication
B2877
Side Airbag Sensor, Passenger. Data Line. Short to B+
B2878
Side Airbag Sensor, Passenger. Data Line. Short to Ground
Fault symptom
Airbag warning lamp on.
Conditions
The following conditions are applicable to the respective diagnostic trouble codes:
B2876
•
|
No communication between side impact sensor and control module
|
B2877
•
|
The voltage on the side impact sensor's communications lead is lower than 3 V for 1.25 s.
|
B2878
•
|
The voltage on the side impact sensor's ground lead is higher than 6 V for 1.25 s.
|
Diagnostic help
Diagnostic trouble code B2876 will be generated if the side impact sensor is defective or the sensor's communications lead (pin 1 on the side impact sensor, pin 44 on the control module) is short-circuited to battery positive (B+) or open-circuit (broken).