Diagnostic Code Index

2009 Jeep Patriot Limited, EDG, StandardSECTION Diagnostic Code Index
WARNING: This page is about a different variant/trim than selected.
DIAGNOSTIC CODE INDEX

DTC Description
C1456  AWD CLUTCH POWER CONTROL CIRCUIT LOW
C145A  AWD CLUTCH RETURN CONTROL CIRCUIT LOW
C145D  AWD CLUTCH POWER/RETURN CONTROL CIRCUIT OPEN
C145F  AWD SYSTEM TEMPORARILY DISABLED - OVERTEMPERATURE
C1460  AWD SWITCH CIRCUIT PERFORMANCE
C2100  BATTERY VOLTAGE LOW
C2101  BATTERY VOLTAGE HIGH
C211C  IGNITION RUN/START INPUT CIRCUIT LOW
C211D  IGNITION RUN/START INPUT CIRCUIT HIGH
C211E  BATTERY SUPPLY VOLTAGE LOW
C211F  BATTERY SUPPLY VOLTAGE HIGH
C2208  AWD ECU INTERNAL
U0001  CAN C BUS
U0100  LOST COMMUNICATION WITH ECM/PCM
U0121  LOST COMMUNICATION WITH ABS
U0141  LOST COMMUNICATION WITH IPM (FCM/TIPM)
U0401  IMPLAUSIBLE DATA RECEIVED FROM ECM/PCM
U0415  IMPLAUSIBLE DATA RECEIVED FROM ABS
U0423  IMPLAUSIBLE DATA RECEIVED FROM CLUSTER/CCN
U1113C  LOST WHEEL SPEED MESSAGES
U1415  IMPLAUSIBLE/MISSING VEHICLE CONFIGURATION RECEIVED
RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • You smell fuel, burning insulation, or see smoke.
  • Brakes feel soft, pull hard to one side, or make grinding noises.
  • The engine overheats, stalls repeatedly, or misfires under load.
  • You are missing required tools, torque specs, or safe lifting equipment.
  • You are not confident in the next step or safety outcome.