EV Diagnostics
Source-backed diagnostic reference

P1536 EV diagnostic code

A/C System ECT Overtemperature

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

  • BUICK: A/C System ECT Overtemperature Source
  • CADILLAC: A/C System ECT Overtemperature Source
  • CHEVY: A/C System ECT Overtemperature Source
  • CHRYSLER: A/C System ECT Overtemperature Source
  • FORD: Parking Brake Switch Circuit Failure Source
  • GM: A/C System ECT Overtemperature Source
  • GMC: A/C System ECT Overtemperature Source
  • LINCOLN: Parking Brake Switch Circuit Failure Source
  • MERCURY: Parking Brake Switch Circuit Failure Source
  • OLDSMOBILE: A/C System ECT Overtemperature Source
  • OTHER: Parking Brake Switch Circuit Failure Source
  • SATURN: A/C System ECT Overtemperature Source
  • VOLKSWAGEN: Intake Camshaft Control Circuit Bank 2 Open 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.