Glow Plug Control Module Replacement

WARNING: This page is about a different car, the 2012 GMC Sierra, 2012 GMC Cab & Chassis Sierra, 2012 Chevrolet Silverado, and 2012 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Identifying Glow Plug Control Module And Fasteners

Courtesy of GENERAL MOTORS COMPANY

Callout	Component Name
1	Glow Plug Module Fastener (Qty: 2) CAUTION: Refer to Fastener Caution . Tighten 10 N.m (89 lb in)
2	Glow Plug Module Procedure Disconnect the electrical connectors. If the scan tool DPF Soot Mass is less than 30 grams, enable the DPF. Refer to Diesel Particulate Filter (DPF) Regeneration Enable . If the scan tool DPF Soot Mass is 30 grams or greater, refer to Diesel Particulate Filter (DPF) Service Regeneration . Perform the glow plug module programming and setup. Refer to Glow Plug Control Module Programming and Setup (LGH or LML)

Callout

Component Name

Glow Plug Module Fastener (Qty: 2)

CAUTION:

Refer to Fastener Caution .

Tighten
10 N.m (89 lb in)

Glow Plug Module

Procedure

Disconnect the electrical connectors.
If the scan tool DPF Soot Mass is less than 30 grams, enable the DPF. Refer to Diesel Particulate Filter (DPF) Regeneration Enable .
If the scan tool DPF Soot Mass is 30 grams or greater, refer to Diesel Particulate Filter (DPF) Service Regeneration .
Perform the glow plug module programming and setup. Refer to Glow Plug Control Module Programming and Setup (LGH or LML)