LEMON Manuals: Even more car manuals for everyone
Home >> Ford >> 2006 >> Focus ZX5 SE, Standard >> Repair and Diagnosis >> Engine Performance >> Testing & Diagnosis >> Engine Controls - Powertrain DTC Charts & Descriptions (Except Diesel & Hybrid) >> DTC Diagnosis >> DTC P1729: 4X4L Switch Circuit Malfunction

DTC P1729: 4X4L Switch Circuit Malfunction

P1729 - 4X4L SWITCH CIRCUIT MALFUNCTION

Description:  The 4x4L switch is an on/off switch. If the powertrain control module (PCM) does not sense appropriate voltage when the switch is cycled on and off, a DTC sets for mechanical shift on the fly systems.
Possible Causes: 
  • The 4x4L harness between the PCM and the 4x4L switch is open or shorted
  • Damaged 4x4L switch
Diagnostic Aids:  Verify the 4x4L switch cycles on/off.
Application  Key On Engine Off  Key On Engine Running  Continuous Memory 
All Refer to the appropriate FOUR-WHEEL DRIVE SYSTEMS article .