2011-2016 Chevrolet GMC 6.6L Duramax LML Glow Plug Control Module (GPCM) – Remanufactured OEM

Part Numbers: 12642260, 12632954, 12652111, 12652113, 12650593, 12669684
Vehicle Applications: Chevrolet Silverado 2500HD/3500HD & GMC Sierra 2500HD/3500HD
Engine: 6.6L Duramax LML
Part Type: Glow Plug Control Module (GPCM)
Condition: Remanufactured OEM
Warranty: Lifetime Warranty
Programming Required: No – Plug & Play Installation

Product Description

This is a professionally remanufactured OEM Glow Plug Control Module (GPCM) for Chevrolet Silverado and GMC Sierra HD trucks equipped with the 6.6L Duramax LML diesel engine.

Compatible part numbers include 12642260, 12632954, 12652111, 12652113, 12650593, and 12669684. Every module is thoroughly inspected, remanufactured, and tested by Automobile Computer Solutions (ACS) to ensure reliable performance and long-term durability.

The Glow Plug Control Module controls glow plug operation during startup and cold-weather conditions. A faulty GPCM can cause hard starts, excessive crank times, glow plug fault codes, and poor cold-weather performance.

Each unit undergoes extensive quality-control testing before shipment and arrives ready for installation.

Common Symptoms of a Failed GPCM

• Hard start or no-start condition
• Excessive crank time
• Glow plug warning light illuminated
• Check Engine Light (CEL)
• Glow plug-related fault codes
• Poor cold-weather starting performance
• Intermittent glow plug operation
• One or more glow plugs not functioning properly

Features

• Genuine OEM Glow Plug Control Module
• Professionally remanufactured and tested
• Direct replacement for the original unit
• Plug & Play installation
• No programming required
• Thoroughly tested before shipment
• Lifetime Warranty
• Ready for immediate installation

Compatible Part Numbers

• 12642260
• 12632954
• 12652111
• 12652113
• 12650593
• 12669684

Vehicle Fitment

Chevrolet

• 2011 Silverado 2500HD 6.6L Duramax LML
• 2011 Silverado 3500HD 6.6L Duramax LML
• 2012 Silverado 2500HD 6.6L Duramax LML
• 2012 Silverado 3500HD 6.6L Duramax LML
• 2013 Silverado 2500HD 6.6L Duramax LML
• 2013 Silverado 3500HD 6.6L Duramax LML
• 2014 Silverado 2500HD 6.6L Duramax LML
• 2014 Silverado 3500HD 6.6L Duramax LML
• 2015 Silverado 2500HD 6.6L Duramax LML
• 2015 Silverado 3500HD 6.6L Duramax LML
• 2016 Silverado 2500HD 6.6L Duramax LML
• 2016 Silverado 3500HD 6.6L Duramax LML

GMC

• 2011 Sierra 2500HD 6.6L Duramax LML
• 2011 Sierra 3500HD 6.6L Duramax LML
• 2012 Sierra 2500HD 6.6L Duramax LML
• 2012 Sierra 3500HD 6.6L Duramax LML
• 2013 Sierra 2500HD 6.6L Duramax LML
• 2013 Sierra 3500HD 6.6L Duramax LML
• 2014 Sierra 2500HD 6.6L Duramax LML
• 2014 Sierra 3500HD 6.6L Duramax LML
• 2015 Sierra 2500HD 6.6L Duramax LML
• 2015 Sierra 3500HD 6.6L Duramax LML
• 2016 Sierra 2500HD 6.6L Duramax LML
• 2016 Sierra 3500HD 6.6L Duramax LML

ACS Quality Guarantee

Every Glow Plug Control Module undergoes comprehensive testing to verify proper operation, communication, and glow plug functionality before shipment. Our remanufacturing process is designed to provide a dependable replacement that meets or exceeds OEM performance standards.