Chevrolet/GMC 6.6L Duramax LLY Glow Plug Control Module Repair Service

Part Number: 8973796350
Interchange Part Numbers: 97304030, 97379635, 0522150901
Vehicle Applications: Chevrolet Silverado 2500HD/3500HD & GMC Sierra 2500HD/3500HD
Engine: 6.6L Duramax LLY
Service Type: Repair & Rebuild Service
Warranty: Lifetime Warranty

Product Description

This is a repair service for your original Chevrolet or GMC 6.6L Duramax LLY Glow Plug Control Module (GPCM). At Automobile Computer Solutions (ACS), we repair your existing module by diagnosing and correcting common internal failures that can cause glow plug system malfunctions, hard starting, and cold-start performance issues.

After receiving your module, our technicians will inspect, test, and repair failed components before performing final quality-control testing to verify proper operation.

Common GPCM Problems We Repair

• Hard start or no-start conditions
• Extended crank times
• Glow plug warning light illuminated
• Check Engine Light (CEL)
• Glow plug circuit fault codes
• One or more glow plugs not being activated
• Intermittent glow plug operation
• Internal module failures
• Water or corrosion-related damage
• Communication and power output issues

If your symptoms are not listed above, please contact ACS before ordering.

How the Service Works

1. Purchase the repair service.
2. Ship your Glow Plug Control Module to ACS.
3. Our technicians diagnose and repair the unit.
4. The module is tested for proper operation.
5. Your repaired module is returned ready for installation.

Benefits of Repairing Your Original Module

• Retains your factory-installed unit
• No programming required
• Eliminates compatibility concerns
• Cost-effective alternative to replacement
• Professionally repaired and tested
• Backed by a Lifetime Warranty

Vehicle Compatibility

• Chevrolet Silverado 2500HD 6.6L Duramax LLY
• Chevrolet Silverado 3500HD 6.6L Duramax LLY
• GMC Sierra 2500HD 6.6L Duramax LLY
• GMC Sierra 3500HD 6.6L Duramax LLY

ACS Quality Guarantee

Every repaired module undergoes comprehensive testing before shipment to ensure proper glow plug control, voltage output, and overall functionality. Our goal is to provide a reliable repair that restores your Duramax's cold-start performance and dependability.

Important: This listing is a repair service for your original Glow Plug Control Module. You must send your module to ACS for repair. If your unit is determined to be beyond repair, replacement options may be available. Contact us for details.