Operation CHARM: Car repair manuals for everyone.
Home >> GMC >> 2013 >> Sierra 2500 Denali 2WD V8-6.6L DSL Turbo >> Repair and Diagnosis >> Powertrain Management >> Transmission Control Systems >> Relays and Modules - Transmission and Drivetrain >> Relays and Modules - A/T >> Control Module >> Locations >> Transmission Control Module (TCM) (MX7)
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 spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)

Or, hide this message: temporarily or permanently

Transmission Control Module (TCM) (MX7)




Front of Vehicle/Engine Compartment Component Views

Rear of the Engine Compartment Components (Diesel)





1 - Battery - Right

2 - Fuse Holder

3 - X127

4 - X108

5 - X107

6 - X123 (PTO)

7 - Fuse Block - Underhood

8 - X109

9 - Battery - Left

10 - Engine Control Module (ECM)

11 - Transmission Control Module (TCM) (MX7)

pro multis · About Operation CHARM