TRANSMISSION – GMC Sierra 1500 2014 – SYSTEM WIRING DIAGRAMS

TRANSMISSION

A/T Wiring Diagram (1 of 2) for GMC Sierra 1500 2014

List of elements for A/T Wiring Diagram (1 of 2) for GMC Sierra 1500 2014:

• (left front dash defroster deflector) g218
• Accy volt
• Automatic transmission assembly
• Automatic transmission fluid temperature (tft) sensor signal
• Batt +
• Computer data lines system
• Control solenoid valve assembly
• Data (+)
• Data (-)
• Driver information center (dic) display
• Engine control module (ecm) (left front of engine compt, near fan shroud)
• G110 (left front lower side of engine block)
• Gmlan data bus (+)
• Gmlan data bus (-)
• Gnd
• Hot at all times
• Hot w/ ignition relay energized
• Ign
• Ign 1 volt
• Instrument cluster
• Ipc fuse 10a
• J126
• J212
• J220
• Left instrument panel fuse block (lower left side of dash)
• Logic
• Low reference
• Park/neutral sig
• Pc solenoid 1 control
• Pc solenoid 2 control
• Pc solenoid 3 control
• Pc solenoid 4 control
• Pc solenoid 5 control
• Power distribution system
• Pressure control (pc) solenoid valve 1
• Pressure control (pc) solenoid valve 2
• Pressure control (pc) solenoid valve 3
• Pressure control (pc) solenoid valve 4
• Pressure control (pc) solenoid valve 5
• Replicated tos signal
• Serial data bus (+)
• Serial data bus (-)
• Shift solenoid (ss) 1 control
• Shift solenoid (ss) 2 control
• Shift solenoid (ss) valve 1
• Shift solenoid (ss) valve 2
• Tcm/ecm fuse 15a
• To transmission internal mode switch (ims) (diagram 2 of 2)
• Torque converter clutch (tcc) pressure control (pc) solenoid valve
• Torque converter clutch pressure control solenoid control
• Tos sig
• Tow/ haul ind
• Trans ign fuse 40 15a
• Transmission control module (tcm)
• Transmission fluid temperature (tft) sensor
• Underhood fuse block (left side of engine compt)

A/T Wiring Diagram (2 of 2) for GMC Sierra 1500 2014

List of elements for A/T Wiring Diagram (2 of 2) for GMC Sierra 1500 2014:

• 12v ref
• A/t manual shift switch
• Assembly (diagram 1 of 2)
• Automatic transmission assembly
• Body control module (lower left side of dash)
• Computer data lines system
• Control solenoid valve assembly
• From automatic transmission a
• Ftp switch 1 voltage
• Ftp switch 3 voltage
• Ftp switch 4 voltage
• Ftp switch 5 voltage
• G218 (left front dash defroster deflector)
• Gmlan serial data bus +
• Gmlan serial data bus -
• Gnd
• Input speed sensor (iss) signal
• J127
• J285
• Nca
• Output speed sensor (oss) signal
• Red
• Start
• Tow/ haul mode switch
• Tow/ haul sw sig
• Transmission control module (tcm)
• Transmission fluid pressure (tfp) switch
• Transmission input shaft speed (iss) sensor
• Transmission internal mode switch (ims)
• Transmission output shaft speed (iss) sensor
• Transmission range switch sig a
• Transmission range switch sig b
• Transmission range switch sig c
• Transmission range switch sig p
• Transmission shift lever

Transfer Case Wiring Diagram, 2-Speed Manual for GMC Sierra 1500 2014

List of elements for Transfer Case Wiring Diagram, 2-Speed Manual for GMC Sierra 1500 2014:

• Computer data lines system
• Data 1 (+) serial
• Data 1 (-) serial
• Engine control module (left front of engine compt, near fan shroud)
• Front axle engagement actuator (on rear of transfer case)
• G110 (left front lower side of engine block)
• Hot w/ ignition main relay energized
• Lock ind
• Logic
• Low sig
• Power distribution system
• Trans ign fuse 15a
• Transfer case shift control switch (on top left of transfer case)
• Underhood fuse block (left side of engine compt)
• X111

Transfer Case Wiring Diagram, 2-Speed with Push Button Control (1 of 2) for GMC Sierra 1500 2014

List of elements for Transfer Case Wiring Diagram, 2-Speed with Push Button Control (1 of 2) for GMC Sierra 1500 2014:

• (top rear of the transfer case) gear position sensor
• 2 hi ind ctrl
• 4 hi ind ctrl
• 4 lo ind ctrl
• 4wd ind
• 4wd trec fuse 30a
• 5 volt ref
• Accy wakeup serial data
• Accy/ run crnk fuse 10a
• Awd ind ctrl
• Batt +
• Computer data lines system
• Drv sw sig
• Front axle engagement actuator (on rear of transfer case)
• Ft axle actuator ctrl
• G110 (left front lower side of engine block)
• Gmlan serial data 1 (+)
• Gmlan serial data 1 (-)
• Gnd
• Hot at all times
• Hot w/ ignition main relay energized
• Incremental encdr snsr rtn
• Incremental encdr snsr sply
• Incrmt encoder dir sig
• Instrument cluster
• Instrument panel junction block
• J124
• Left instrument panel fuse block (lower left side of dash)
• Logic
• Mtr clockwise ctrl
• Mtr counter clockwise ctrl
• Neutral ind ctrl
• Power distribution system
• Rotary pos impulse sig
• Rotary pos snsr rtn
• Rotary pos snsr sig
• Rotary pos snsr sply 5v
• Run/crank ign 1 volt
• Serial data (+)
• Serial data (-)
• Trans ign fuse 15a
• Transfer case lock sol ctrl
• Transfer case shift control module (lower left side of dash)
• Underhood fuse block (left side of engine compt)
• Wheel lock ind
• X111
• X115
• X119

Transfer Case Wiring Diagram, 2-Speed with Push Button Control (2 of 2) for GMC Sierra 1500 2014

List of elements for Transfer Case Wiring Diagram, 2-Speed with Push Button Control (2 of 2) for GMC Sierra 1500 2014:

• (left front lower side of engine block) g110
• 2-hi ind
• 4-hi ind
• 4-lo ind
• Auto 4wd
• Body control module (lower left side of dash)
• Computer data lines system
• Data 1 (+) serial
• Data 1 (-) serial
• Engine control module (left front of engine compt, near fan shroud)
• Ign 3
• Ill
• Instrument panel junction block
• Interior lights system
• J124
• Low ref veh spd snsr
• Neutral ind
• Serial data 1 (+)
• Serial data 1 (-)
• Snsr sig veh spd
• Transfer case motor (on transfer case)
• Transfer case shift control switch (on top left of transfer case)
• Transmission output shaft speed sensor (in transmission)
• X115