Error code

OBD2 P0818

OBD2P0818
Diagnostic Trouble Code· Standard OBD-II fault code read from the vehicle's onboard diagnostics.

What it means

Driveline Disconnect Switch Input Circuit.

Severity

moderateCan drive, but may experience shifting issues and decreased fuel efficiency.

Summary

P0818 indicates an issue with the driveline disconnect switch input circuit, which is part of the transmission control system.

Common Causes

  • Wiring issues
  • Poor connection in the circuit
  • Faulty upshift switch
  • ECM/PCM or TCM malfunction

Fixes

  • Repairing wiring or replacing the driveline disconnect switch

FAQ

What does P0818 mean?

P0818 indicates a malfunction in the circuit that controls the driveline disconnect switch, which is crucial for proper transmission operation.

Not affiliated with OBD2. Answer summarized from the manufacturer's manual linked above; consult that source for the authoritative procedure.