OBD Guide
ENFRDEESPT

P1630

Theft Deterrent Learn Mode Active

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
~$56 (est.)

Symptoms

  • Engine won't start
  • The anti-theft indicator is flashing
  • No response when turning the key
  • Check Engine Light Is On

Causes

  • Replacing the ignition key
  • Replacing the Engine Control Unit (ECU)
  • Failure in the anti-theft system
  • Dead key battery
  • Immobilizer problems

How to Fix

  1. Check the condition of the battery in the ignition key
  2. Perform the key learning procedure according to the manual
  3. Check the wiring connections of the protection system
  4. Reset code using OBD-II scanner
  5. Contact your dealer to reprogram the system

Related codes

P1626P1631P1632

Error P1630 by Vehicle Brand

BuickCadillacChevroletGMGMCMazdaMercedes-BenzOldsmobileSaturnToyotaVolkswagen
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