- No communication with the anti-lock brake system (ABS) module
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- No communication with the instrument cluster
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- Instrument cluster
- Circuitry
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- The red brake warning indicator does not self-check
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- Instrument cluster
- Circuitry
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- The red brake warning indicator stays on when the ignition is in RUN
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- Parking brake switch
- Base brake system
- Circuitry
- Instrument cluster
- ABS module
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- RETRIEVE all DTCs and GO TO the DTC indexes. If no DTCs are present, REFER to INSTRUMENT CLUSTER
article.
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- The yellow ABS warning indicator does not self-check
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- Instrument cluster
- Circuitry
- ABS module
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- Spongy/soft/low brake pedal with no warning indicator
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- Air in brake hydraulic system
- Hydraulic control unit (HCU)
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- Unintended ABS activation on vehicle equipped with stability assist
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- Steering wheel rotation sensor
- Steering wheel rotation sensor tone ring
- Circuitry
- ABS module
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- RETRIEVE and RECORD any ABS module DTCs. If DTCs are present, go to the Anti-Lock Brake System (ABS) Module Diagnostic Trouble Code (DTC) Index. If there are no DTCs, INSPECT the steering wheel rotation sensor tone ring for contamination and damage. CLEAN or INSTALL new as necessary. REFER to Steering Column Disassembly and Assembly in STEERING COLUMN
article. If the tone ring is OK, INSPECT the sensor for damge and correct installation. REINSTALL or INSTALL new as necessary. REFER to Steering Wheel Rotation Sensor . If the sensor is OK, go to Pinpoint Test F .
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- The traction control switch indicator is never on
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- Circuitry
- Traction control switch
- Smart junction box (SJB)
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- The traction control warning indicator is always on
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- Circuitry
- Traction control switch
- ABS module
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- The traction control system cannot be disabled
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- Circuitry
- Traction control switch
- ABS module
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