2017-2023 Chevrolet GMC 6.6L Duramax L5P Glow Plug Control Module (GPCM) – Remanufactured OEM

Part Numbers: 12671083, 12687698, 12689265, 12704708, 12710881
Vehicle Applications: Chevrolet Silverado 2500HD/3500HD & GMC Sierra 2500HD/3500HD
Engine: 6.6L Duramax L5P
Part Type: Glow Plug Control Module (GPCM)
Condition: Remanufactured OEM
Warranty: Lifetime Warranty With Core Return
Programming Required: No – Plug & Play Installation

Product Description

This is a professionally remanufactured OEM Glow Plug Control Module (GPCM) for Chevrolet Silverado HD and GMC Sierra HD trucks equipped with the 6.6L Duramax L5P diesel engine.

Compatible with part numbers 12671083, 12687698, 12689265, 12704708, and 12710881, each module is thoroughly inspected, remanufactured, and tested by Automobile Computer Solutions (ACS) to ensure dependable performance and long-term reliability.

The Glow Plug Control Module is responsible for controlling the glow plug system during startup and cold-weather operation. A failed GPCM can cause hard starts, excessive crank times, glow plug fault codes, and poor engine performance during cold temperatures.

Every 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
• Extended crank time before startup
• Glow plug warning light illuminated
• Check Engine Light (CEL)
• Glow plug-related diagnostic trouble 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 factory unit
• Plug & Play installation
• No programming required
• Thoroughly tested before shipment
• Lifetime Warranty
• Ready for immediate installation

Compatible Part Numbers

• 12671083
• 12687698
• 12689265
• 12704708
• 12710881

Vehicle Fitment

Chevrolet Silverado HD

• 2017 Silverado 2500HD 6.6L Duramax L5P
• 2017 Silverado 3500HD 6.6L Duramax L5P
• 2018 Silverado 2500HD 6.6L Duramax L5P
• 2018 Silverado 3500HD 6.6L Duramax L5P
• 2019 Silverado 2500HD 6.6L Duramax L5P
• 2019 Silverado 3500HD 6.6L Duramax L5P
• 2020 Silverado 2500HD 6.6L Duramax L5P
• 2020 Silverado 3500HD 6.6L Duramax L5P
• 2021 Silverado 2500HD 6.6L Duramax L5P
• 2021 Silverado 3500HD 6.6L Duramax L5P
• 2022 Silverado 2500HD 6.6L Duramax L5P
• 2022 Silverado 3500HD 6.6L Duramax L5P
• 2023 Silverado 2500HD 6.6L Duramax L5P
• 2023 Silverado 3500HD 6.6L Duramax L5P

GMC Sierra HD

• 2017 Sierra 2500HD 6.6L Duramax L5P
• 2017 Sierra 3500HD 6.6L Duramax L5P
• 2018 Sierra 2500HD 6.6L Duramax L5P
• 2018 Sierra 3500HD 6.6L Duramax L5P
• 2019 Sierra 2500HD 6.6L Duramax L5P
• 2019 Sierra 3500HD 6.6L Duramax L5P
• 2020 Sierra 2500HD 6.6L Duramax L5P
• 2020 Sierra 3500HD 6.6L Duramax L5P
• 2021 Sierra 2500HD 6.6L Duramax L5P
• 2021 Sierra 3500HD 6.6L Duramax L5P
• 2022 Sierra 2500HD 6.6L Duramax L5P
• 2022 Sierra 3500HD 6.6L Duramax L5P
• 2023 Sierra 2500HD 6.6L Duramax L5P
• 2023 Sierra 3500HD 6.6L Duramax L5P

ACS Quality Guarantee

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