SMJ DTCS

2006 Lincoln ZephyrSECTION SMJ DTCS
SMART JUNCTION BOX (SJB) DIAGNOSTIC TROUBLE CODE (DTC) LIST

DTC Description Source Action
B2479 Brake Park Switch Circuit Short to Ground SJB GO to PINPOINT TEST X .
C1125 Brake Fluid Level Sensor Input Circuit Failure SJB GO to PINPOINT TEST X .
C1284 Oil Pressure Switch Failure SJB GO to PINPOINT TEST O .
All Other DTCs - SJB REFER to MULTIFUNCTION ELECTRONIC CONTROL MODULES .
RENDER: 1.0x

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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.