OBD-II Diagnostic Trouble Codes

C0049-7B – Brake Fluid – Low Fluid Level (Jeep Grand Cherokee)

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C0044-64 – Brake Pressure Sensor 1 – Signal Plausibility Failure (Jeep Grand Cherokee)

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C0044-62 – Brake Pressure Sensor 1 – Signal Compare Failure (Jeep Grand Cherokee)

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C0044-28 – Brake Pressure Sensor 1 – Signal Bias Level Out Of Range / Zero Adjustment Failure (Jeep Grand Cherokee)

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C0044-1F – Brake Pressure Sensor 1 – Circuit Intermittent (Jeep Grand Cherokee)

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C0044-01 – Brake Pressure Sensor 1 – General Electrical Failure (Jeep Grand Cherokee)

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C0040-2A – Brake Pedal Switch-stuck (Jeep Grand Cherokee)

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C0040-29 – Brake Pedal Switch-signal Invalid (Jeep Grand Cherokee)

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C003A-62 – Right Rear Wheel Speed Sensor-signal Compare Failure (Jeep Grand Cherokee)

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C003A-2F – Right Rear Wheel Speed Sensor-signal Erratic (Jeep Grand Cherokee)

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