Cadillac Forward Collision System Reduced
Forward Collision System Reduced
Quick answer
“Forward Collision System Reduced” is a Cadillac alert indicating that the forward collision system is reduced. Verified manufacturer communications document that the message may appear at vehicle startup and may be accompanied by an amber Automatic Emergency Braking Disable icon.
This page separates verified manufacturer/regulator evidence from supporting material. Unsupported causes, repairs or safety conclusions are not guessed.
Watch Videos
Relevant videos play here without leaving this diagnostic page.
No sufficiently relevant embeddable video has been accepted for this diagnostic yet.
Videos are supporting material and never override OEM or regulator evidence.
1. What does Forward Collision System Reduced mean?
“Forward Collision System Reduced” is a Cadillac alert indicating that the forward collision system is reduced. Verified manufacturer communications document that the message may appear at vehicle startup and may be accompanied by an amber Automatic Emergency Braking Disable icon.
2. Technical explanation
The supplied verified evidence identifies this as an OEM alert titled “Forward Collision System Reduced.” NHTSA-hosted Cadillac manufacturer communications PIT5551P, PIT5551Q, and PIT5551R document a condition on vehicles equipped with Forward Automatic Braking and/or Front Pedestrian Braking where owners may see this message in the Driver Information Center (DIC) at startup. The evidence does not establish the underlying cause, diagnostic procedure, or repair.
3. What system is affected?
Forward collision system; the verified communications also reference Forward Automatic Braking and/or Front Pedestrian Braking.
4. How serious is this code?
Unknown. The diagnostic record does not establish severity.
5. Symptoms you may notice
- A “Forward Collision System Reduced” message displayed in the Driver Information Center (DIC) when starting the vehicle.
- An amber Automatic Emergency Braking Disable icon illuminated in the instrument panel cluster (IPC).
6. Possible causes
- Not yet established by verified evidence.
7. Can I still drive the vehicle?
Not yet established by verified evidence.
8. Can I charge the vehicle?
Not yet established by verified evidence.
9. What you can safely do
- Note whether the message occurs at startup and whether the amber Automatic Emergency Braking Disable icon is illuminated.
- Arrange diagnosis through Cadillac service if the message is present or recurring.
10. Step-by-step troubleshooting
- The supplied verified evidence does not establish owner troubleshooting steps.
- Do not attempt high-voltage or advanced driver-assistance-system repairs based on this alert.
11. When to contact service
Cadillac service diagnosis is appropriate because the verified evidence does not establish a cause or owner-level correction.
12. What the service center may check
- Verify the reported “Forward Collision System Reduced” DIC message and/or amber Automatic Emergency Braking Disable icon.
- Use the applicable Cadillac manufacturer communication PIT5551P, PIT5551Q, or PIT5551R as relevant to the vehicle and condition.
- Further diagnostic checks are not established by the supplied verified evidence.
13. Possible repair or resolution
- Not yet established by verified evidence.
14. Affected vehicles
- Cadillac CT6 · 2017–2025 · US
- Cadillac LYRIQ · 2017–2025 · US
15. Related TSBs / service bulletins
- PIT5551P — NHTSA Manufacturer Communication 11011406, published October 1, 2024. It documents the startup message and/or amber Automatic Emergency Braking Disable icon condition.
- PIT5551Q — NHTSA Manufacturer Communication 11014450, published February 18, 2025. It documents the startup message and/or amber Automatic Emergency Braking Disable icon condition.
- PIT5551R — NHTSA Manufacturer Communication 11016990, published April 12, 2025. It documents the startup message and/or amber Automatic Emergency Braking Disable icon condition.
16. Recall information
- No recall is established by the supplied verified evidence.
17. Official manufacturer information
Official NHTSA-hosted manufacturer communications: PIT5551P (NHTSA 11011406), PIT5551Q (NHTSA 11014450), and PIT5551R (NHTSA 11016990).
- NHTSA: NHTSA Manufacturer Communication 11011406: PIT5551P · official_tsb
- NHTSA: NHTSA Manufacturer Communication 11014450: PIT5551Q · official_tsb
- NHTSA: NHTSA Manufacturer Communication 11016990: PIT5551R · official_tsb
19. Frequently asked questions
What does “Forward Collision System Reduced” mean?
The verified diagnostic record identifies it as a Cadillac OEM alert for a reduced forward collision system.
What other warning may appear with this message?
Verified Cadillac manufacturer communications state that an amber Automatic Emergency Braking Disable icon may be illuminated in the IPC.
Can I continue driving?
Not yet established by verified evidence.
What causes this alert?
Not yet established by verified evidence.
Which vehicles are listed as applicable?
The supplied applicability evidence lists U.S.-market Cadillac CT6 and Cadillac LYRIQ model years 2017 through 2025.