Differential DTCS

2013 Suzuki SX4 Crossover, Automatic CVT TransSECTION Differential DTCS
DIFFERENTIAL DIAGNOSTIC TROUBLE CODE (DTC) LIST

DTC Description
C1240 4WD control module power supply circuit malfunction
C1243 Internal circuit malfunction of 4WD control module
C1250 Coupling air temperature sensor open
C1251 Coupling air temperature sensor short
C1252 Coupling assembly open
C1253 Coupling assembly short
C1254 2WD/4WD switch malfunction
U0073 Control module communication bus off
U0100 Lost communication with ECM
U0101 Lost communication with TCM
U0121 Lost communication with ABS/ESP® control module
U0155 Lost communication with instrument panel cluster (IPC) control module
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.