COMPUTER DATA LINES – GMC Sierra 2500 HD 2009 – SYSTEM WIRING DIAGRAMS

COMPUTER DATA LINES

Computer Data Lines Wiring Diagram, Except Hybrid (1 of 2) for GMC Sierra 2500 HD 2009

List of elements for Computer Data Lines Wiring Diagram, Except Hybrid (1 of 2) for GMC Sierra 2500 HD 2009:

• (in body harness, below passenger seat) splice pack jx339
• (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)
• (upfitter provisional)
• 2 or more
• 3b1
• Audio amplifier (if equipped) (under rear of center console)
• Body control module (bcm) (lower left side of dash)
• 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
• 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)
• Inflatable restraint vehicle rollover sensor (if equipped) (below center console)
• Instrument panel cluster (ipc)
• J200
• Left i/p junction block (lower left side of dash)
• Low speed gmlan serial data
• Low speed serial data
• Ltr fuse 53 (except 6.6l) fuse 50 (6.6l) 20a
• Memory seat module (w/ front individual non bucket 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 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/ luxury edition
• W/ onstar
• W/ radio provisions
• W/ rear parking assist
• W/ rear seat & earphone jacks radio control
• W/ remote keyless entry
• W/o luxury edition
• W/o radio provisions

Computer Data Lines Wiring Diagram, Except Hybrid (2 of 2) for GMC Sierra 2500 HD 2009

List of elements for Computer Data Lines Wiring Diagram, Except Hybrid (2 of 2) for GMC Sierra 2500 HD 2009:

• (4.8l, 5.3l, 6.2l & 6.0l (vin y) j338
• (left front of engine compt, near fan shroud) transmission control module (tcm)
• (lower left side of dash) (w/ two speed transfer case) transfer case shift control module
• (outside of right front chassis frame) power take off (pto) module
• 4 speed a/t
• 4.3l
• 4.3l, 5.3l, 6.2l &
• 6.0l (vin k)
• 6.0l (vin k) w/o trailer brake
• 6.6l
• Accessory wakeup serial data
• Accessory wakeup serial data linear interconnect network bus
• Automatic transmission
• Body control module (bcm) (lower left side of dash)
• Can data bus high
• Can data bus low
• Data link resistor
• Electronic brake control module (ebcm) (on left side of frame assembly)
• Electronic compass module
• Engine control module (ecm) (left front of engine compt, near fan shroud)
• Except 4.3l & 6.6l
• Except 6.6l
• Except gas 4.3l & 6.0l (vin k)
• Fuel system control module (fscm) (except gas 4.3l & 6.0l (vin k)) (under rear of vehicle)
• Glow plug control module (gpcm) (6.6l) (top left rear of engine)
• Hb01
• Hb04
• Hb05
• Hb06
• Hb20
• Hi ser data
• Hi spd gmlan +
• Hi spd gmlan -
• 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 (in engine harness, 5 cm from engine control module connector breakout)
• Left i/p block junction (lower left side of dash)
• Left i/p junction block (lower left side of dash)
• Low ser data
• Serial data comm enable
• Speed a/t
• Tan
• Terminator
• Trailer brake controller module (tbcm) (if equipped) (20/30 series: left rear frame rail) (31 series: on left frame rail)
• Transmission control module
• Vehicle communication interface module (vcim) (behind center of dash)
• W/ active brake control except 10 series
• W/ allison transmission
• W/ disc ventilated brakes or w/ 10 series active brake control
• W/ hydraulic brakes
• W/ onstar
• W/ pto
• W/ trailer brake
• W/ two speed transfer case
• W/o onstar
• W/o pto
• W/o trailer brake
• W/o two speed transfer case
• X10
• Yaw & lateral accelerometer sensor (w/ active brake control)

Computer Data Lines Wiring Diagram, Hybrid (1 of 3) for GMC Sierra 2500 HD 2009

List of elements for Computer Data Lines Wiring Diagram, Hybrid (1 of 3) for GMC Sierra 2500 HD 2009:

• (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)
• (under front passenger's seat) splice pack jx339
• (upfitter provisional)
• 2 or more
• 3b1
• A/c compressor
• Audio amplifier (if equipped) (under rear of center console)
• 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 (if equipped)
• G200 (on right front corner of hvac module)
• G201 (upper left corner of dash)
• Ground distribution system
• 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)
• Inflatable restraint vehicle rollover sensor (if equipped) (below center console)
• Instrument panel cluster (ipc)
• J200
• Left i/p junction block (lower left side of dash)
• Low speed gmlan serial data
• Low speed serial data
• Ltr fuse 53 (except 6.6l) fuse 50 (6.6l) 20a
• Memory seat module (w/ front individual non bucket seat) (under front of driver's seat)
• Of w/ onstar, digital radio & rear seat & earphone jacks radio control
• Passenger door lock/window switch (if equipped)
• 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 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/ luxury edition
• W/ onstar
• W/ radio provisions
• W/ rear parking assist
• W/ rear seat & earphone jacks radio control
• W/ remote keyless entry
• W/o luxury edition
• W/o radio provisions

Computer Data Lines Wiring Diagram, Hybrid (2 of 3) for GMC Sierra 2500 HD 2009

List of elements for Computer Data Lines Wiring Diagram, Hybrid (2 of 3) for GMC Sierra 2500 HD 2009:

• (in engine harness, approximately 5 cm from automatic transmission auxiliary fluid pump control module breakout) j104
• (in instrument panel harness, in transfer case shift control module connector breakout) j207
• (lower left side of dash) (w/ two speed transfer case) transfer case shift control module
• (lower left side of dash) left i/p junction block
• (under second row seats) drive motor generator battery
• Accessory wakeup serial data
• Automatic transmission
• Body control module (bcm) (lower left side of dash)
• Data link resistor
• Drive motor generator battery control module
• Electronic compass module
• Electronic power steering motor control module (right rear of engine compt)
• Fuel pump flow control module (behind center of dash)
• Hi spd gmlan +
• Hi spd gmlan -
• Hi spd gmlan serial data +
• Hi spd gmlan serial data -
• High speed gmlan serial data bus +
• High speed gmlan serial data bus -
• J222 (w/ pto) (in instrument panel harness)
• J338 (w/ trailer brake)
• Left i/p junction block (lower left side of dash)
• Linear interconnect network bus
• Nca ser data bus +
• Nca ser data bus -
• Nca ser data commu- nication enable
• Network bus
• Pnk
• Power take off (pto) module (outside of right front chassis frame)
• Red
• Ser data bus +
• Ser data bus -
• Ser data commu- nication enable
• Ser data enable
• Serial data
• Serial data comm enable
• Tan
• Trailer brake control module (behind center of dash)
• Trailer brake control module (tbcm) (w/ trailer brake) (20/30 series: left rear frame rail) (31 series: on left frame rail)
• Transmission control module
• Vehicle communication interface module (vcim) (behind center of dash)
• W/ trailer brake
• W/ two speed transfer case
• W/o trailer brake
• W/o two speed transfer case
• Wake up sig
• Wakeup serial data
• X10

Computer Data Lines Wiring Diagram, Hybrid (3 of 3) for GMC Sierra 2500 HD 2009

List of elements for Computer Data Lines Wiring Diagram, Hybrid (3 of 3) for GMC Sierra 2500 HD 2009:

• (in instrument panel harness) j225
• A4 pnk
• Accessory dc power control module (right rear of engine compt)
• Apm wake-up
• Auxiliary front mode sig
• Auxiliary fuse block (left side of engine compt)
• Batt positive volt
• Becm fuse 10 15a
• Data link resistor 2
• Drive motor generator power inverter module (right rear of engine compt)
• Electronic brake control module (ebcm) (on left side of frame assembly)
• Engine control module (ecm) (left front of engine compt)
• G200 (on right front corner of hvac module)
• G3 pnk
• Gnd
• High speed gmlan serial data bus +
• High speed gmlan serial data bus -
• High voltage circuit impact detection sensor
• Hot at all times
• Hot w/ run/crnk relay energized
• Ign volt
• J200
• J226 (in instrument panel harness)
• J240 (in instrument panel harness)
• Left i/p junction block (lower left side of dash)
• Low ref
• Low speed gmlan serial data
• Misc ign fuse 43 10a
• Nication enable
• Pnk
• Power distribution system
• Ptlan +
• Ptlan -
• Ptlan - yaw & lateral accelerometer sensor
• Ser data bus +
• Ser data bus -
• Ser data commun
• Serial data
• Serial data gateway (sdg) module
• Serial data wake-up sig
• Signal
• Tan
• Underhood fuse block (left side of engine compt)
• Wake up sig
• Wake up signal
• Wakeup serial data