P0818 - OBD II Trouble Code

January 31, 2017

Our automotive experts have put together the following information about the P0818 diagnostic trouble code. We've provided the common symptoms that occur when this code is set along with the frequent repairs that address the issues related to the P0818 code.

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

About the Author

Brad Kava is an automotive expert at RepairPal, the leading online source of auto repair resources and estimates. With many ASE Master certified mechanics on staff who have decades of experience, RepairPal knows all the fine points of car repair.

No comments yet…

Sign in to comment

Related Questions

See what others have asked about this, or visit the Questions page to ask your own question.
2000 Mitsubishi Eclipse
I installed a used japanese long block and the crank. pos. sensor and its tone/ reflector? ring installed weren't new...