2.5L I4FWDAUTOMATICgasA25A-FKS
3 active safety recalls on this vehicle — view recalls
Founding sponsor spot is openYour name on every procedure for this vehicle, permanently.Sponsor — $99 →
C1249moderate severityChassis

Open in Stop Light Switch Circuit

on 2020 Toyota Camry 2.5L I4 · FWD

What this code means

The ABS module detects an open circuit in the stop light (brake) switch signal. No direct OBD P-code equivalent exists for this manufacturer-specific code.

Symptoms

  • ABS warning light on
  • Brake lights inoperative
  • Cruise control disabled

Common causes

  • Faulty stop light switch
  • Blown stop light fuse
  • Open wiring in switch circuit
  • Corroded switch connector

Diagnostic steps

  1. Test stop light switch operation
  2. Check stop light fuse
  3. Verify signal at ABS module
  4. Repair wiring or replace switch

Other Chassis codes on this vehicle

🔧 Database maintained under the daily editorial review of Chris Hackleman · Master Technician · 20+ years and Jeff Moore · Master Mechanic · 20+ years. Spot an error? Use the Help link above — a human reads every report.
Stuck on this repair? Take it to The Diag Desk — ask a master tech about this exact car → real human answer within 24h, never AI
⚠ STILL BEHIND THE PAYWALL
The 2020 Toyota Camry repair data is incomplete because no one has sponsored it yet. For $99, we generate the full step-by-step procedures, then fact-check them with a second AI pass and your expert review. Your name on every procedure, permanently.
The same data would cost $169/mo from Mitchell1 or $30/year from ALLDATAdiy — and you'd be renting access, not freeing it. Sponsor once, free forever.
Sponsor the Toyota Camry — $99 →
Building an app?
Free API access to all this data — 10 requests/day, no card required.
Get an API key →
Run a shop?
Manage repairs, estimates, and customers with ShopBase — $249/mo, all features included.
Try ShopBase →