Free API
Back to 2014 Chevrolet Silverado 1500
Help
2014 CHEVROLET SILVERADO 1500
5.3L V8 EcoTec3 L83•RWD•AUTOMATIC•gas
6 active safety recalls on this vehicle — view recalls
Founding sponsor spot is openYour name on every procedure for this vehicle, permanently.Sponsor — $99 →
Repairs421Labor498Torque4352Fluid8DTC1694Battery1Maintenance0Recalls6
C0253moderate severityChassis

Automatic Level Control Circuit Malfunction

on 2014 Chevrolet Silverado 1500 5.3L V8 EcoTec3 L83 · RWD

What this code means

The automatic ride height leveling system has detected an electrical fault in its control circuit. This can cause the suspension to fail to maintain proper vehicle height.

Symptoms

  • Vehicle sits too low or high
  • Rough ride quality
  • Ride height warning message

Common causes

  • Faulty air compressor relay
  • Damaged wiring or connector
  • Failed ride height sensor
  • Bad level control module

Diagnostic steps

  1. Scan for related suspension codes
  2. Inspect ALC wiring and connectors
  3. Test air compressor operation
  4. Check ride height sensor signal
🔌 Don't have a code reader?
Any of these will read and clear this code — pick by how deep you want to go.
Budget handheld~$40
ANCEL AD410 →
No-phone-needed handheld — reads, clears, live data, freeze frame.
✓ ANCEL official store
Serious DIY~$100
BlueDriver Pro →
Enhanced codes (ABS, airbag, TPMS) plus repair reports.
SHOP FAVORITE
Shop-grade tablet~$300
Autel MaxiCOM MK808S →
Bidirectional tests, service resets, all systems.
✓ Autel official store
Pro diagnostics$1,500+
Autel MaxiSys MS906 Pro →
Full-system pro platform — topology mapping, ECU coding, the works.
✓ Autel official store
As an Amazon Associate and Autel/ANCEL partner, OLP earns from qualifying purchases — how we link. This never changes the specs we publish.

Other Chassis codes on this vehicle

🔌 Need this data in your app? It's all in the free API →
🔧 Database maintained under the daily editorial review of Chris Hackleman · Master Technician · 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
Share:XRedditFBWhatsAppThreadsEmail
⚠ STILL BEHIND THE PAYWALL
The 2014 Chevrolet Silverado 1500 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 Chevrolet Silverado 1500 — $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 →