Mike's Workshop Manuals
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Jeep
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2021
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Grand Cherokee L Laredo, AWD
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Repair and Diagnosis
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Brakes
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Traction Control
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Brake System Control Module (BSCM) - DTCS C0558-00 To P05DC-00
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DTC Troubleshooting
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C121C-00-Torque Request Signal Denied
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Set Condition
Set Condition
Powertrain Control Module (PCM) informed the Brake System Control Module (BSCM) that it will not allow the engine torque reduction requests.
Engine is above 360 RPM.
Brake System Control Module (BSCM) detects vehicle acceleration.