DTC C1137:64 [DYNAMIC STABILITY CONTROL (DSC)]
id0402b2881300
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DTC
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C1137:64
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Reverse signal (MTX)
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DETECTION CONDITION
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• Reverse signal is input for 10 s or more while driving at a vehicle speed of 60 km/h {37 mph}
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POSSIBLE CAUSE
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• Short to power supply in wiring harness between BCM terminal 2H and back-up light switch
• Back-up light switch malfunction
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Diagnostic procedure
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STEP |
INSPECTION |
ACTION |
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1
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INSPECT REVERSE SIGNAL CIRCUIT FOR SHORT TO POWER SUPPLY
• Shift select lever to neutral position.
• Switch the ignition to ON.
• Measure the voltage between BCM connector terminal 2H (wiring harness-side) and body ground.
• Is there any voltage?
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Yes
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Repair or replace the wiring harness, then go to step 3.
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No
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Go to next step.
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2
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INSPECT BACK-UP LIGHT SWITCH
• Inspect back-up light switch.
• Is it normal?
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Yes
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Go to next step.
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No
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Replace back-up light switch, then go to next step.
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3
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VERIFY TROUBLESHOOTING COMPLETED
• Clear DTC from memory.
• Start the engine and drive the vehicle at 60 km/h {37 mph} or more.
• Is same DTC present?
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Yes
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Replace DSC HU/CM, then go to next step.
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No
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Go to next step.
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4
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VERIFY THAT NO OTHER DTCS ARE PRESENT
• Are any other DTCs output?
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Yes
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Go to the applicable DTC inspection.
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No
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DTC troubleshooting completed.
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