COMPUTER DATA LINES – GMC Cab & Chassis Sierra 3500 HD 2011 – SYSTEM WIRING DIAGRAMS

COMPUTER DATA LINES

Computer Data Lines Wiring Diagram (1 of 3) for GMC Cab & Chassis Sierra 3500 HD 2011

List of elements for Computer Data Lines Wiring Diagram (1 of 3) for GMC Cab & Chassis Sierra 3500 HD 2011:

• (in i/p extension harness, behind left side of dash) splice pack jx223
• (lower left side of dash) left i/p junction block
• (not used)
• (not used) b
• (not used) e
• (not used) f
• (not used) j
• (not used) l
• (under front passenger's seat) splice pack jx339
• 2 or more
• 3b1
• A10
• A15
• Audio amplifier (if equipped) (under rear of center console)
• Body control module (bcm) (lower left side of dash)
• C (not used)
• Chime module (center of dash, behind radio)
• Data link connector (dlc) (lower left side of dash)
• Digital radio receiver (behind right end of dash)
• Digital radio receiver (if equipped) (behind right end of dash)
• Driver door lock/window switch
• G200 (on right front corner of hvac module)
• G201 (upper left corner of dash)
• Ground distribution system
• Heated seat control module (w/ spo heated seats)
• Hot at all times
• Hvac control module
• I/p fuse block (left side of dash)
• Inflatable restraint front passenger presence system (pps) module (if equipped) (under front passenger seat)
• Inflatable restraint sensing & diagnostic module (sdm) (under driver's seat)
• Instrument panel cluster (ipc)
• J200
• Left i/p junction block (lower left side of dash)
• Low spd gmlan ser data
• Low speed gmlan serial data
• Low speed serial data
• Low speed serial data x7
• Ltr fuse 53 (except 6.6l) fuse 50 (6.6l) 20a
• Memory seat module (w/ individual front seat) (under front of driver's seat)
• Of w/ onstar, digital radio & rear seat & earphone jacks radio control
• Passenger door lock/window switch
• Power distribution system
• Radio
• Rear object sensor control module (at rear cargo area, behind trim panel)
• Rear seat audio (rsa) control
• Rear seat audio (rsa) control (if equipped)
• Remote control door lock receiver (rcdlr) (top rear of passenger compt)
• Right i/p junction block (in right end of dash)
• Splice pack jx221 (in the i/p harness, behind left side of dash)
• Tan
• Theft deterrent control module (tdm) (on right side of steering column)
• Underhood fuse block (left side of engine compt)
• Vehicle communication interface module (vcim) (behind center of dash)
• Vehicle communication interface module (vcim) (if equipped) (behind center of dash)
• W/ digital radio
• W/ digital radio, rear seat, onstar & earphone jacks radio control
• W/ front seat & remote control
• W/ individual front seat
• W/ luxury edition
• W/ onstar
• W/ radio provisions
• W/ rear parking assist
• W/ rear seat & earphone jacks radio control
• W/ remote keyless entry
• W/o individual front seat
• W/o luxury edition
• W/o luxury edition & w/ odometer security provisions
• W/o radio provisions
• X201
• X202
• X212
• X301
• X303
• X305
• X331

Computer Data Lines Wiring Diagram (2 of 3) for GMC Cab & Chassis Sierra 3500 HD 2011

List of elements for Computer Data Lines Wiring Diagram (2 of 3) for GMC Cab & Chassis Sierra 3500 HD 2011:

• (4.3l, 6.0l & 6.6l) j338
• (lower left side of dash) (w/ two speed transfer case) transfer case shift control module
• 4.8l, 6.2l & 5.3l
• 6.0l w/o trailer brake
• Can bus hi serial data
• Can bus low serial data
• Comm enable serial data
• Data link resistor (in chassis harness, on left rear chassis cross member)
• Electronic brake control module (ebcm) (on left side of frame assembly)
• Fuel pump flow control module (4.8l, 6.2l & 5.3l) (rear frame, near spare tire mount)
• Fuel pump/ trailer brake control module (rear frame, near spare tire mount)
• Hi serial data
• Hi spd gmlan (+)
• Hi spd gmlan (-)
• Hi spd gmlan serial data ( +)
• Hi spd gmlan serial data (+)
• Hi spd gmlan serial data (-)
• Left i/p junction block (lower left side of dash)
• Lo serial data
• Serial data (-) hi spd gmlan
• Serial data comm enable
• Tan
• Trailer brake controller module (tbcm) (if equipped) (20/30 series: left rear frame rail) (31 series: on left frame rail)
• Vehicle communication interface module (vcim) (behind center of dash)
• W/ 10 series
• W/ active brake control except 10 series
• W/ active brake control except 10 series w/ hydraulic brakes
• W/ disc ventilated brakes or w/ 10 series active brake control
• W/ hydraulic brakes
• W/ onstar
• W/ trailer brake
• W/ two speed transfer case
• W/o 10 series
• W/o integrated trailer brake control
• W/o onstar
• W/o trailer brake
• W/o two speed transfer case
• X115
• X202
• Yaw rate & lateral acceleration sensor (w/ active brake control) (under center console trim panel)

Computer Data Lines Wiring Diagram (3 of 3) for GMC Cab & Chassis Sierra 3500 HD 2011

List of elements for Computer Data Lines Wiring Diagram (3 of 3) for GMC Cab & Chassis Sierra 3500 HD 2011:

• (left front of engine compt, near fan shroud) transmission control module (tcm)
• (outside of right front chassis frame) power take off (pto) module
• 2wd
• 4 speed a/t
• 4.3l
• 4wd
• 6.6l
• Accessory wakeup serial data
• Accessory wakeup serial data linear interconnect network bus
• Automatic transmission
• B10
• Body control module (bcm) (lower left side of dash)
• Electronic compass module
• Engine control module (ecm) (left front of engine compt, near fan shroud)
• Except 4.3l & 6.6l
• Except 6.6l
• Glow plug control module (gpcm) (6.6l) (right front side of engine)
• Hi spd gmlan serial data (+)
• Hi spd gmlan serial data (-)
• High speed gmlan serial data bus (+)
• High speed gmlan serial data bus (+) ser data comm enable
• High speed gmlan serial data bus (-)
• J104 (6.6l: in engine harness, 5 cm from engine control module connector breakout)
• Left i/p block junction (lower left side of dash)
• Nitrogen oxides sensor 1 (in exhaust, top left rear rear side of engine)
• Nitrogen oxides sensor 2 (in exhaust, middle of diesel particulate filter)
• Reductant sensor module (above reductant tank)
• S x300
• Speed a/t
• Tan
• Terminator
• Transmission control module
• W/ allison transmission
• W/ pto
• W/o pto
• X10
• X107
• X109
• X395