OBD-II Diagnostic Trouble Codes

U1034-88 – Blind Spot Monitoring Private CAN-c-bus Off (Jeep Grand Cherokee)

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U0423-00 – Implausible Data Received From Cluster/ccn (Jeep Grand Cherokee)

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U0204-00 – Lost Communication With Right Front Door Module (Jeep Grand Cherokee)

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U0203-00 – Lost Communication With Left Front Door Module (Jeep Grand Cherokee)

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U0184-00 – Lost Communication With Radio (Jeep Grand Cherokee)

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B2599-00 – Door Module Front Right (Jeep Grand Cherokee)

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B2598-00 – Door Module Front Left (Jeep Grand Cherokee)

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B223B-00 – Vehicle Configuration Mismatch (Jeep Grand Cherokee)

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B21DD-85 – System Voltage-signal Above Allowable Range (Jeep Grand Cherokee)

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B21DD-84 – System Voltage-signal Below Allowable Range (Jeep Grand Cherokee)

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