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OBD II Fault Code

  • OBD II P0836

OBD-II Code 4-wheel drive light is flashing is defined as a Four Wheel Drive (4WD) Switch Circuit

The 4-Wheel Drive Switch Circuit tells the Transmission Control Module (TCM) what mode the 4-wheel drive system is in (i.e. 4-wheel high, 4-wheel low, 2-wheel). If this switch does not send back a plausible signal, code P0836 will be stored and the 4-wheel drive system may be disabled.

4-wheel drive light is flashing Symptoms

  • 4-wheel drive light is flashing
  • 4-wheel drive system is disabled

Common Problems That Trigger the P0836 Code

  • 4-wheel drive switch failure
  • Transfer case switch failure
  • Transmission Control Module (TCM) failure
  • Wiring issue
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