OBD II Fault Code

  • OBD II P0818

OBD-II Code Powertrain Control Module (PCM) failure is defined as a Driveline Disconnect Switch Input Circuit

The Transfer Neutral Position Switch tells the engine computer (PCM) if the engine is in 2-wheel drive, 4-wheel drive, or neutral. If the PCM detects the switch is not operating properly, code P0818 will be set

Common Problems That Trigger the P0818 Code

  • Powertrain Control Module (PCM) failure
  • Transfer case neutral position switch failure
  • Wiring issue
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