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Malfunction
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Possible Cause
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Action
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• WDS or equivalent cannot communicate with the instrument cluster.
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• Circuit
• Standard corporate protocol (SCP) (J1850) line
• Instrument cluster
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• WDS or equivalent cannot communicate with the Generic electronic module (GEM).
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• Circuit
• SCP (J1850) line
• generic electronic module (GEM)
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• Instrument cluster does not operate.
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• Central junction box (CJB) fuse
• Battery junction box (BJB) fuse
• Circuit
• Instrument cluster
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• Fuel gauge reading is not correct.
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• Fuel pump unit
• Circuit
• Instrument cluster
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• Speedometer/odometer does not operate.
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• Circuit
• SCP (J1850) line
• PCM
• Instrument cluster
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• Speedometer reading is not correct.
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• Speedometer
• SCP (J1850) line
• Circuit
• PCM
• Instrument cluster
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• Tachometer does not operate.
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• Circuit
• SCP (J1850) line
• PCM
• Instrument cluster
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• Tachometer reading is not correct.
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• Circuit
• SCP (J1850) line
• PCM
• Instrument cluster
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• Water temperature gauge reading is not correct.
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• ECT sensor
• SCP (J1850) line
• Circuit
• Instrument cluster
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• Brake system warning light does not illuminate/stays on.
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• Brake system warning light bulb
• Circuit
• Parking brake switch
• Brake fluid level sensor
• Instrument cluster
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• Fuel level warning light does not illuminate/stays on.
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• Fuel pump unit
• Miniature bulb
• Instrument cluster
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• Security light does not operate. (if equipped)
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• Security light LED bulb assembly
• SCP (J1850) line
• Circuit
• Instrument cluster
• PCM
• Integrated passive anti-theft system
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• Security light stays on. (if equipped)
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• Circuit
• PCM
• Integrated passive anti-theft system
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• Generator warning light does not illuminate.
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• Generator warning light bulb
• Circuit
• Generator
• PCM
• Instrument cluster
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• Generator warning light stays on.
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• Circuit
• Generator
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• Refer to Section 01-17.
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• Oil pressure warning light does not operate/stay on.
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• Circuit
• Oil pressure switch
• Oil pressure is low.
• PCM
• Instrument cluster
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• ABS warning light does not operate.
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• ABS warning light bulb
• Circuit
• Instrument cluster
• ABS HU/CM
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• ABS warning light stays on.
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• Circuit
• ABS HU/CM
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• Refer to Section 04.
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• Air bag system warning light does not operate.
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• Air bag system warning light bulb
• Circuit
• Instrument cluster
• SAS control module
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• Air bag system warning light stays on.
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• Circuit
• SAS control module
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• Refer to Section 08.
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• Turn indicator light (LH) does not operate/stays on.
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• Turn indicator light bulb
• Circuit
• Instrument cluster
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• Turn indicator light (RH) does not operate/stays on.
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• Turn indicator light bulb
• Circuit
• Instrument cluster
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• High-beam indicator light does not operate.
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• High-beam indicator light bulb
• Circuit
• Instrument cluster
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• Engine does not operate.
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• Malfunction indicator lamp (MIL)
• SCP (J1850) line
• Circuit
• Instrument cluster
• PCM
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• Malfunction indicator lamp (MIL) stays on.
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• Circuit
• PCM
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• Refer to Powertrain control/emission diagnosis.
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• Seat belt warning light does not operate. (Chime operates.)
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• Seat belt warning light bulb
• Circuit
• Instrument cluster
• Seat belt retractor switch (a part of seat belt retractor)
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• Door ajar warning light does not operate. (Chime operates.)
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• Door ajar warning light bulb
• Circuit
• Generic electronic module (GEM)
• Instrument cluster
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• O/D OFF indicator light does not operate.
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• O/D OFF indicator light bulb
• SCP (J1850) line
• Circuit
• PCM
• Instrument cluster
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• O/D OFF indicator light stays on.
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• Circuit
• PCM
• Instrument cluster
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• Refer to Section 05.
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4WD indicator light does not operate.
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4WD indicator light bulb
• Circuit
4WD relay
• Instrument cluster
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• Selector indicator light (PRND21) does not operate.
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• Circuit
• Instrument cluster
• Transaxle range sensor
• Parking interlock module
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• Fog light indicator light does not operate/stays on.
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• Circuit
• Fog light switch
• Instrument cluster
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• Rear fog light indicator light does not operate/stays on.
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• Circuit
• Rear fog light switch
• Instrument cluster
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