Operation CHARM: Car repair manuals for everyone.
Home >> Chevrolet >> 2009 >> Express 4500 V8-6.6L DSL Turbo >> Repair and Diagnosis >> Transmission and Drivetrain >> Automatic Transmission/Transaxle >> Relays and Modules - A/T >> Control Module >> Locations
Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the logical successor to CHARM, I recommend you try it!

Link: lemon-manuals.la

Control Module: Locations




Front of Vehicle/Engine Compartment Component Views

Engine Compartment




1 - Vacuum Pump (6.6L)
2 - Battery
3 - Transmission Control Module (TCM)
4 - Blower Motor Resistor
5 - Blower Motor
6 - Brake Fluid Level Switch (Heavy Duty)
7 - Engine Control Module (ECM)
8 - Fuse Block - Underhood
pro multis · About Operation CHARM