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Home >> Suzuki >> 2007 >> SX4 Base, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 147 (Automatic Transmission) >> Diagnostic Information And Procedure >> DTC P1874: 4L Switch Circuit Malfunction (Short) >> DTC Detecting Condition and Trouble Area
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DTC Detecting Condition and Trouble Area

WARNING: This page is about a different car, the 2006 Suzuki Grand Vitara. However, it is still accessible from the selected car via links, so may be relevant.
DTC TROUBLE DETECTING CONDITION

DTC detecting condition Trouble area
Actual transfer position is 4H although TCM detected 4L/N switch is turned ON with vehicle speed between 29 km/h (18 mile/h) and 88 km/h (55 mile/h).
(1 driving cycle detection logic)
  • 4L/N switch or its circuit
  • TCM