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 symptoms
Airbag warning lamp on.
Conditions
The following conditions are applicable to the respective diagnostic trouble codes:
B2876
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•
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No communication between side impact sensor and control module.
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B2877
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•
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The voltage on the side impact sensor's communications lead is lower than 3 V for 1.25 s.
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B2878
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•
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The voltage on the side impact sensor's ground lead is higher than 6 V for 1.25 s.
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Diagnostic help
Diagnostic trouble code B2876 will be generated if the side impact sensor is defective or if 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).
