EV Diagnostics
Source-backed diagnostic reference

P1388 EV diagnostic code

Auto Shutdown (ASD) Relay Control Circuit Open Or Shorted

Reference status: This page preserves source-backed code definitions for discovery. Manufacturer/model applicability, repair steps and safety conclusions are not treated as verified unless a manufacturer-specific verified report is available.

Reference definitions

  • DODGE: Auto Shutdown (ASD) Relay Control Circuit Open Or Shorted Source
  • FORD: Variable Cam Timing Overretarded Bank 2 Source
  • JEEP: Auto Shutdown (ASD) Relay Control Circuit Open Or Shorted Source
  • LINCOLN: Variable Cam Timing Overretarded Bank 2 Source
  • MERCURY: Variable Cam Timing Overretarded Bank 2 Source
  • OTHER: Variable Cam Timing Overretarded (Bank #2) Source
  • PLYMOUTH: Auto Shutdown ASD Relay Control Circuit Open Or Shorted Source
  • PONTIAC: Auto Shutdown ASD Relay Control Circuit Open Or Shorted Source
  • VOLKSWAGEN: Control Unit Internal Throttle Control Source

Search and canonical URL

Capitalization, underscores, hyphens, colons and spaces are normalized to this canonical code identity so alternate scan-tool formats do not create duplicate pages.