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GROUND or B+ •
Yaw rate/lateral
C1280 Yaw rate sensor signal failure
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Sensor loose, not mounted •
Yaw rate/lateral
Refer to visual inspection chart. Check sensor fitment. Refer to dealer technical support for advice on possible sensor failure.
C1281 Lateral accelerometer sensor circuit failure
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Connector pins bent or •
Sensor wiring damaged •
Yaw rate/lateral
For lateral/yaw rate sensor circuit tests, GO to Pinpoint Test G307559p7 .
C1282 Lateral accelerometer sensor signal failure
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Sensor loose, not mounted •
Yaw rate/lateral
Refer to visual inspection chart. Check sensor fitment. Refer to dealer technical support for advice on possible sensor failure.
C1285 Booster solenoid circuit failure
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Booster solenoid circuit •
Booster solenoid failure
For booster solenoid circuit tests, GO to Pinpoint Test G307559p8 .
C1286 Booster mechanical failure
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Brake light switch •
Pedal force switch open •
Pedal force switch failure •
Active brake booster •
ABS/DSC module failure
Contact dealer technical support for advice on brake pedal position switch calibration procedure. For pedal force switch tests, GO to Pinpoint Test G307559p10 . Contact dealer technical support for advice on possible active brake booster or ABS/DSC module failure.
C1287 Booster pedal force switch circuit failure
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Booster pedal force switch •
Booster pedal force switch
For pedal force switch tests, GO to Pinpoint Test G307559p10 .
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