C1253high severityChassis

Fail-Safe Relay Malfunction

on 2019 Toyota RAV4 2.5L I4 · AWD

What this code means

The ABS fail-safe (solenoid) relay is not operating correctly, disabling the ABS system. No direct OBD P-code equivalent exists for this manufacturer-specific code.

Symptoms

  • ABS warning light on
  • ABS disabled
  • Brake warning light on

Common causes

  • Faulty fail-safe relay
  • Open relay control circuit
  • Corroded relay connector
  • Faulty ABS module driver

Diagnostic steps

  1. Command relay with scan tool
  2. Test relay coil and contacts
  3. Check relay control circuit wiring
  4. Replace relay or ABS actuator
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