AEB Forward Sensor Blocked
The C0452 code means the vehicle's onboard diagnostic system has detected: AEB Forward Sensor Blocked. This is a critical severity code.
- Keep driving?
- Short distances only
- DIY difficulty
- hard
- Estimated cost
- $300 - $1500 (parts and labor)
Basic scanners cannot read ABS codes. BlueDriver reads all systems including ABS, SRS, and transmission through your phone.
Check Price on AmazonAffiliate link -- we earn a commission at no extra cost to you.
Basic scanners cannot read ABS codes. This one reads all four systems so you know exactly which sensor failed.
Check Price on AmazonAffiliate link -- we earn a commission at no extra cost to you.
Common Symptoms
- AEB warning light on
- Forward collision warning disabled
- Automatic braking does not activate
- AEB system fault message on display
Probable Causes (Ranked by Likelihood)
- Dirty or blocked AEB sensor Very High
- AEB sensor misalignment after collision High
- Failed AEB control module Moderate
- AEB wiring harness damage Low
Step-by-Step Diagnostic Procedure
-
Clean AEB sensor area
-
Check sensor alignment with scan tool
-
Inspect AEB wiring for damage
-
Perform AEB system calibration
Frequently Asked Questions
What does code C0452 mean?
C0452 indicates a fault with the aeb forward sensor blocked.
Can I drive with C0452?
You can drive short distances. The safety feature is disabled so use extra caution.
How much does it cost to fix C0452?
Typical repair costs are $300 - $1500 (parts and labor).
Sources
This page is built from documented references. Verify against your own service info before repair work.
Explore More
Was this helpful?
Share carcodefinder.com with a friend who needs to decode their check engine light.