TRANSMISSION – Cadillac CTS 2014 – SYSTEM WIRING DIAGRAMS

TRANSMISSION

A/T Wiring Diagram, Coupe for Cadillac CTS 2014

List of elements for A/T Wiring Diagram, Coupe for Cadillac CTS 2014:

• (steering wheel harness, in steering wheel) j290
• 3.0l & 3.6l
• 6.2l
• Acc
• Acc volt
• Accessory wakeup serial data
• Automatic transmission assembly
• Body control module (bcm) (left end of dash)
• Cluster
• Computer data lines
• Computer data lines system
• Control solenoid valve assembly
• Cruise control & sound systems
• Data bus (+)
• Data bus (-)
• Driver information center (dic) display
• Ecm/tcm ign fuse 15a
• Engine control module (ecm) (3.0l & 3.6l : below left headlamp assembly) (6.2l: right rear of engine compt)
• G132 (rear of right cylinder bank)
• Gmlan
• Gmlan serial data bus+
• Gmlan serial data bus-
• Gnd
• Hot at all times
• Hot w/ ignition main relay energized
• Ign
• Ign 1 volt
• Ignition switch
• Instrument
• Iss sig
• Iss/oss ctrl
• J127
• J285 (steering column harness, 5.5 cm from breakout for ignition switch)
• J291 (steering wheel harness, in steering wheel)
• Left automatic transmission manual shift switch (if equipped)
• Logic
• Low ref
• Off
• Oss sens
• P/n sig
• Pc 1 solenoid
• Pc 2 solenoid
• Pc 3 solenoid
• Pc 4 solenoid
• Pc 5 solenoid
• Pnk
• 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
• Red
• Red b
• Remote radio ctrl sply vol
• Remote shift selector sig
• Right automatic transmission manual shift switch (if equipped)
• Run
• Shift solenoid (ss) valve 1
• Shift solenoid (ss) valve 2
• Ss 1
• Ss 2
• Start
• Steering wheel air bag coil (top of steering column)
• System
• Tan
• Tap up/ down switch
• Tap up/tap down sw sig
• Tcc solenoid
• Tcm batt fuse 15a
• Tfp 1
• Tfp 3
• Tfp 4
• Tfp 5
• Tft
• Torque converter clutch (tcc) pressure control (pc) solenoid valve
• Trans enable switch
• Transmission control module (tcm)
• Transmission fluid pressure switch
• Transmission fluid temperature (tft) sensor
• Transmission input shaft speed sensor (iss)
• Transmission internal mode switch (ims)
• Transmission manual shift switch
• Transmission output shaft speed sensor (oss)
• Transmission p/n sig ign lock sig
• Transmission shift lever
• Trns range sig a
• Trns range sig b
• Trns range sig c
• Trns range sig p
• Underhood fuse block (right front of engine compt)
• Wakeup serial
• X202

A/T Wiring Diagram, Sedan CTS-V for Cadillac CTS 2014

List of elements for A/T Wiring Diagram, Sedan CTS-V for Cadillac CTS 2014:

• (steering wheel harness, in steering wheel) j290
• 3.0l & 3.6l
• 6.2l
• Acc
• Acc volt
• Accessory wakeup serial data
• Automatic transmission assembly
• Body control module (bcm) (left end of dash)
• Cluster
• Computer data lines
• Computer data lines system
• Control solenoid valve assembly
• Cruise control & sound systems
• Data bus (+)
• Data bus (-)
• Driver information center (dic) display
• Ecm/tcm ign fuse 15a
• Engine control module (ecm) (3.0l & 3.6l : below left headlamp assembly) (6.2l: right rear of engine compt)
• G132 (rear of right cylinder bank)
• Gmlan
• Gmlan serial data bus+
• Gmlan serial data bus-
• Gnd
• Hot at all times
• Hot w/ ignition main relay energized
• Ign
• Ign 1 volt
• Ignition switch
• Instrument
• Iss sig
• Iss/oss ctrl
• J127
• J285 (steering column harness, 5.5 cm from breakout for ignition switch)
• J291 (steering wheel harness, in steering wheel)
• Left automatic transmission manual shift switch (if equipped)
• Logic
• Low ref
• Off
• Oss sens
• P/n sig
• Pc 1 solenoid
• Pc 2 solenoid
• Pc 3 solenoid
• Pc 4 solenoid
• Pc 5 solenoid
• Pnk
• 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
• Red
• Red b
• Remote radio ctrl sply vol
• Remote shift selector sig
• Right automatic transmission manual shift switch (if equipped)
• Run
• Shift solenoid (ss) valve 1
• Shift solenoid (ss) valve 2
• Ss 1
• Ss 2
• Start
• Steering wheel air bag coil (top of steering column)
• System
• Tan
• Tap up/ down switch
• Tap up/tap down sw sig
• Tcc solenoid
• Tcm batt fuse 15a
• Tfp 1
• Tfp 3
• Tfp 4
• Tfp 5
• Tft
• Torque converter clutch (tcc) pressure control (pc) solenoid valve
• Trans enable switch
• Transmission control module (tcm)
• Transmission fluid pressure switch
• Transmission fluid temperature (tft) sensor
• Transmission input shaft speed sensor (iss)
• Transmission internal mode switch (ims)
• Transmission manual shift switch
• Transmission output shaft speed sensor (oss)
• Transmission p/n sig ign lock sig
• Transmission shift lever
• Trns range sig a
• Trns range sig b
• Trns range sig c
• Trns range sig p
• Underhood fuse block (right front of engine compt)
• Wakeup serial
• X202

A/T Wiring Diagram, Sedan Except CTS-V 6-Speed A/T (1 of 2) for Cadillac CTS 2014

List of elements for A/T Wiring Diagram, Sedan Except CTS-V 6-Speed A/T (1 of 2) for Cadillac CTS 2014:

• (right front of engine) g100
• Accessory wakeup serial data
• Automatic transmission assembly
• Battery positive voltage
• Computer data lines system
• Control solenoid valve assembly
• Gnd
• Hi spd gmlan serial data bus (+)
• Hi spd gmlan serial data bus (-)
• Hot at all times
• Hot w/ ignition main relay energized
• Ign
• Ip body ign fuse 10a
• J127
• J230
• Pc 1 solenoid
• Pc 2 solenoid
• Pc 3 solenoid
• Pc 4 solenoid
• Pc 5 solenoid
• Pressure control solenoid valve 1
• Pressure control solenoid valve 2
• Pressure control solenoid valve 3
• Pressure control solenoid valve 4
• Pressure control solenoid valve 5
• Red
• Run/crank ignition 1 voltage
• Shift solenoid valve 1
• Shift solenoid valve 2
• Sig a
• Sig b
• Sig c
• Sig gnd transmiss park/neutral sig (1)
• Sig p
• Ss 1
• Ss 2
• Tap up/tap dn enable sig
• Tcc solenoid
• Tcm ign fuse 15a
• Tcm/spare fuse 15a
• Tfp 1
• Tfp 3
• Tfp 4
• Tfp 5
• Torque converter clutch pressure control solenoid valve
• Transmission control module
• Transmission fluid pressure switch
• Transmission fluid temperature sensor
• Transmission input shaft speed sensor
• Transmission internal mode switch
• Transmission output shaft speed sensor
• Underhood fuse block (right front of engine compt)
• X150

A/T Wiring Diagram, Sedan Except CTS-V 6-Speed A/T (2 of 2) for Cadillac CTS 2014

List of elements for A/T Wiring Diagram, Sedan Except CTS-V 6-Speed A/T (2 of 2) for Cadillac CTS 2014:

• (body harness, 66.5 cm rear of breakout to cross-car bundle) (w/ sunroof) j340
• Body control module (left end of dash)
• Computer data lines system
• Driver information center display
• Engine control module (lower right front of engine compt)
• G201 (left kick panel)
• G302 (right kick panel)
• Ground
• Hi spd gmlan serial data bus (+)
• Hi spd gmlan serial data bus (+) (1)
• Hi spd gmlan serial data bus (-)
• Hi spd gmlan serial data bus (-) (1)
• Ill
• Instrument cluster
• J250
• J302
• J305
• Key cpte/lock sft pstn sig
• Left transmission manual shift switch
• Linear interconnect network bus 2
• Logic
• Low speed gmlan serial data
• Park lock solenoid contol
• Park position switch
• Park/ neutral sig
• Rap relay coil ctrl
• Red
• Right transmission manual shift switch
• Steering wheel air bag coil (top of steering column)
• Sunroof motor (w/ sunroof) (rear of sunroof assembly)
• Tap up/tap down sw sig
• Transmission manual shift switch
• Transmission shift lever
• Transmission shift lever position indicator
• Transmission shift lock control solenoid actuator
• X304
• X325
• X339

A/T Wiring Diagram, Sedan Except CTS-V 8-Speed A/T (1 of 3) for Cadillac CTS 2014

List of elements for A/T Wiring Diagram, Sedan Except CTS-V 8-Speed A/T (1 of 3) for Cadillac CTS 2014:

• (rear of left cylinder bank) g100
• 1 shift sol valve cont
• Accessory wakeup data
• Batt postive volt
• Battery positive voltage
• Computer
• Computer data lines system
• Data lines
• Engine control module (lower right front of engine compt)
• G100 (rear of left cylinder bank)
• Gear speed snsr sig (+)
• Gear speed snsr sig (-)
• Hi spd gmlan data (+) (1)
• Hi spd gmlan data (-) (1)
• Hi spd gmlan serial data bus (+)
• Hi spd gmlan serial data bus (-)
• Hot at all times
• Hot w/ ignition main relay energized
• Ip body ign fuse 10a
• J131
• J230
• Neutral safety switch sig
• Park/ neutral sig
• Park/neutral position switch (right side of transmission)
• Prk nutl pstn sw prk sig
• Reverse switch signal
• Run/crank ign 1 volt
• Sig gnd
• Signal ground
• System
• Tap up/tap dwn enble sig
• Tcm ign fuse 15a
• Tcm/ spare fuse 15a
• Torque cnvtr clutch sol
• Torque press sol cont(-)
• Trans fld snsr sig (+)
• Trans fluid pre sw sig
• Trans hi side dr 2 sig
• Trans pesre sol cont b+
• Trans press sol con f+
• Trans press sol cont a-
• Trans press sol cont b-
• Trans press sol cont c+
• Trans press sol cont c-
• Trans press sol cont d+
• Trans press sol cont d-
• Trans press sol cont f-
• Trans press sol cont g+
• Trans press sol cont g-
• Trans prss sol cntl a+
• Trans snsr in spd sig (+)
• Trans snsr in spd sig (-)
• Transmission control module (tcm) (front of right front wheelwell)
• Trns flid pre snsr sig(-)
• Trqe convtr cltch (+)
• Underhood fuse block (right front of engine compt)
• Vehicle spd snsr sig (+)
• Vehicle spd snsr sig (-)
• X150

A/T Wiring Diagram, Sedan Except CTS-V 8-Speed A/T (2 of 3) for Cadillac CTS 2014

List of elements for A/T Wiring Diagram, Sedan Except CTS-V 8-Speed A/T (2 of 3) for Cadillac CTS 2014:

• (body harness, 66.5 cm rear of breakout to cross-car bundle) (w/ sunroof) j340
• (right kick
• Body control module (left end of dash)
• Computer
• Computer data lines system
• Data lines
• Driver information center display
• G302
• G302 (right kick panel)
• Ground
• Hi spd gmlan serial data bus (+) (1)
• Hi spd gmlan serial data bus (-) (1)
• Ill
• Instrument cluster
• J302
• J305
• Key cpte/lock sft pstn sig
• Linear interconnect
• Lock control
• Logic
• Low speed gmlan serial data
• Network bus 2
• Panel)
• Park lock solenoid contol
• Park position
• Rap relay coil ctrl
• Red
• Solenoid actuator
• Sunroof motor (w/ sunroof) (rear of sunroof assembly)
• Switch
• Tap up/tap down sw sig
• Transmission manual shift lever
• Transmission manual shift switch
• Transmission shift
• Transmission shift lever position indicator
• X304
• X325
• X339

A/T Wiring Diagram, Sedan Except CTS-V 8-Speed A/T (3 of 3) for Cadillac CTS 2014

List of elements for A/T Wiring Diagram, Sedan Except CTS-V 8-Speed A/T (3 of 3) for Cadillac CTS 2014:

• Automatic transmission assembly
• G201 (left kick panel)
• J250
• Left transmission manual shift switch
• Pressure control solenoid valve 1
• Pressure control solenoid valve 2
• Pressure control solenoid valve 3
• Pressure control solenoid valve 4
• Pressure control solenoid valve 5
• Pressure control solenoid valve 6
• Right transmission manual shift switch
• Shift solenoid valve 1
• Steering wheel air bag coil (top of steering column)
• Torque converter clutch enable solenoid valve
• Torque converter clutch pressure control solenoid valve
• Transmission fluid pressure switch
• Transmission fluid temperature sensor
• Transmission input shaft speed sensor
• Transmission intermediate shaft speed sensor
• Transmission output shaft speed sensor

A/T Wiring Diagram, Wagon for Cadillac CTS 2014

List of elements for A/T Wiring Diagram, Wagon for Cadillac CTS 2014:

• (steering wheel harness, in steering wheel) j290
• 3.0l & 3.6l
• 6.2l
• Acc
• Acc volt
• Accessory wakeup serial data
• Automatic transmission assembly
• Body control module (bcm) (left end of dash)
• Cluster
• Computer data lines
• Computer data lines system
• Control solenoid valve assembly
• Cruise control & sound systems
• Data bus (+)
• Data bus (-)
• Driver information center (dic) display
• Ecm/tcm ign fuse 15a
• Engine control module (ecm) (3.0l & 3.6l : below left headlamp assembly) (6.2l: right rear of engine compt)
• G132 (rear of right cylinder bank)
• Gmlan
• Gmlan serial data bus+
• Gmlan serial data bus-
• Gnd
• Hot at all times
• Hot w/ ignition main relay energized
• Ign
• Ign 1 volt
• Ignition switch
• Instrument
• Iss sig
• Iss/oss ctrl
• J127
• J285 (steering column harness, 5.5 cm from breakout for ignition switch)
• J291 (steering wheel harness, in steering wheel)
• Left automatic transmission manual shift switch (if equipped)
• Logic
• Low ref
• Off
• Oss sens
• P/n sig
• Pc 1 solenoid
• Pc 2 solenoid
• Pc 3 solenoid
• Pc 4 solenoid
• Pc 5 solenoid
• Pnk
• 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
• Red
• Red b
• Remote radio ctrl sply vol
• Remote shift selector sig
• Right automatic transmission manual shift switch (if equipped)
• Run
• Shift solenoid (ss) valve 1
• Shift solenoid (ss) valve 2
• Ss 1
• Ss 2
• Start
• Steering wheel air bag coil (top of steering column)
• System
• Tan
• Tap up/ down switch
• Tap up/tap down sw sig
• Tcc solenoid
• Tcm batt fuse 15a
• Tfp 1
• Tfp 3
• Tfp 4
• Tfp 5
• Tft
• Torque converter clutch (tcc) pressure control (pc) solenoid valve
• Trans enable switch
• Transmission control module (tcm)
• Transmission fluid pressure switch
• Transmission fluid temperature (tft) sensor
• Transmission input shaft speed sensor (iss)
• Transmission internal mode switch (ims)
• Transmission manual shift switch
• Transmission output shaft speed sensor (oss)
• Transmission p/n sig ign lock sig
• Transmission shift lever
• Trns range sig a
• Trns range sig b
• Trns range sig c
• Trns range sig p
• Underhood fuse block (right front of engine compt)
• Wakeup serial
• X202

AWD Wiring Diagram, Coupe for Cadillac CTS 2014

List of elements for AWD Wiring Diagram, Coupe for Cadillac CTS 2014:

• (left end of dash) body control module (bcm)
• Awd fuse 15a
• Batt +
• Clutch coil ctrl
• Clutch coil rtn
• Computer data lines system
• Driver information center (dic)
• Ecm/ tcm ign fuse 15a
• G200 (left kick panel)
• Gmlan
• Ground
• Hot at all times
• Hot w/ ignition main relay energized
• Ign
• Instrument cluster
• J200
• Logic
• Oil temp 5v ref
• Oil temp sens sig
• Pnk
• Resistor 5v ref
• Resistor sig
• Serial data
• Serial data bus+
• Serial data bus-
• Tan
• Transfer case clutch (inside rear of transfer case)
• Transfer case fluid temperature sensor (rear of transfer case)
• Transfer case shift control module (right side of dash)
• Underhood fuse block (right front of engine compt)
• Wakeup
• Wakeup serial
• X105

AWD Wiring Diagram, Sedan CTS-V for Cadillac CTS 2014

List of elements for AWD Wiring Diagram, Sedan CTS-V for Cadillac CTS 2014:

• (left end of dash) body control module (bcm)
• Awd fuse 15a
• Batt +
• Clutch coil ctrl
• Clutch coil rtn
• Computer data lines system
• Driver information center (dic)
• Ecm/ tcm ign fuse 15a
• G200 (left kick panel)
• Gmlan
• Ground
• Hot at all times
• Hot w/ ignition main relay energized
• Ign
• Instrument cluster
• J200
• Logic
• Oil temp 5v ref
• Oil temp sens sig
• Pnk
• Resistor 5v ref
• Resistor sig
• Serial data
• Serial data bus+
• Serial data bus-
• Tan
• Transfer case clutch (inside rear of transfer case)
• Transfer case fluid temperature sensor (rear of transfer case)
• Transfer case shift control module (right side of dash)
• Underhood fuse block (right front of engine compt)
• Wakeup
• Wakeup serial
• X105

AWD Wiring Diagram, Sedan Except CTS-V for Cadillac CTS 2014

List of elements for AWD Wiring Diagram, Sedan Except CTS-V for Cadillac CTS 2014:

• Batt pos volt
• Clutch coil ctrl
• Clutch coil rtn
• Computer data lines system
• Driver information center display
• G304 (base of right "b" pillar)
• Gmlan serial data +
• Gmlan serial data -
• Ground
• Hi spd gmlan serial data +
• Hi spd gmlan serial data -
• Hot at all times
• Hot w/ ignition main relay energized
• Ign 1 volt
• Instrument cluster
• Ip body ign fuse 10a
• J230
• Lo spd gmlan serial data
• Logic
• Nca
• Oil temp 5v ref
• Oil temp sens sig
• Rear body fuse block (left side of luggage compt)
• Tc cntrl mdl/rr cntrl mdl fuse 15a
• Transfer case clutch (inside rear of transfer case)
• Transfer case fluid temperature sensor (rear of transfer case)
• Transfer case shift control module (right rear of luggage compt)
• Underhood fuse block (right front of engine compt)
• Wakeup serial
• X150

AWD Wiring Diagram, Wagon for Cadillac CTS 2014

List of elements for AWD Wiring Diagram, Wagon for Cadillac CTS 2014:

• (left end of dash) body control module (bcm)
• Awd fuse 15a
• Batt +
• Clutch coil ctrl
• Clutch coil rtn
• Computer data lines system
• Driver information center (dic)
• Ecm/ tcm ign fuse 15a
• G200 (left kick panel)
• Gmlan
• Ground
• Hot at all times
• Hot w/ ignition main relay energized
• Ign
• Instrument cluster
• J200
• Logic
• Oil temp 5v ref
• Oil temp sens sig
• Pnk
• Resistor 5v ref
• Resistor sig
• Serial data
• Serial data bus+
• Serial data bus-
• Tan
• Transfer case clutch (inside rear of transfer case)
• Transfer case fluid temperature sensor (rear of transfer case)
• Transfer case shift control module (right side of dash)
• Underhood fuse block (right front of engine compt)
• Wakeup
• Wakeup serial
• X105

Rear Differential Cooler Wiring Diagram for Cadillac CTS 2014

List of elements for Rear Differential Cooler Wiring Diagram for Cadillac CTS 2014:

• 5v ref
• Computer data lines system
• Coupe
• Diff pump fuse 20a
• Differential cooler pump (in differential cooler assembly)
• Differential cooler pump relay 1
• Differential cooler pump relay 2 (coupe)
• Differential temperature switch (in differential cooler assembly)
• Driver information center (dic) display
• Ecm/tcm ign fuse 15a
• G401 (behind right side of rear seat)
• G401 (coupe: behind right side of rear seat) (sedan: under left side of luggage compt floor)
• G401 (sedan: under left side of luggage compt floor)
• Gmlan ser data
• Hot at all times
• Hot w/ ignition main relay energized
• Instrument cluster
• J410 (differential cooling pump jumper harness, near x441)
• Logic
• Oil temp sens sig
• Pnk
• Power distribution system
• Rear body fuse block (left side of luggage compt)
• Rear differential oil pressure/ temperature sensor (above rear differential)
• Sedan/ wagon
• Underhood fuse block (right front of engine compt)
• X200
• X260
• X402
• X441

Rear Differential Lock Wiring Diagram for Cadillac CTS 2014

List of elements for Rear Differential Lock Wiring Diagram for Cadillac CTS 2014:

• 5 volt reference
• Battery positive volt
• Computer data lines system
• Diff low side cntl
• Diff oil pressure snsr
• Diff sol low control
• Diff solenoid side con
• Diffe hi side control
• Differential clutch pump (under rear center of vehicle)
• Drain wire
• Driver information center (dic) display
• G401 (under left side of luggage compt floor)
• Gmlan ser data
• Ground
• Hi spd data (+) (2)
• Hi spd data (-) (2)
• Hot at all times
• Instrument cluster
• J421
• Logic
• Low reference
• Rear axle temp sig
• Rear body fuse block (left side of luggage compt)
• Rear differential clutch control module (above rear differential)
• Rear differential clutch solenoid valve (under center rear of vehicle)
• Rear differential oil pressure/ temperature sensor (above rear differential)
• Rear differential oil temperature sensor (on rear differential assembly)
• Red
• Rr diff oil temp snsr
• Rr drvr cntrl mdl fuse 30a
• Serial comm enble
• Snsr vol ref
• Tc cntrl mdl/rr cntrl drive mdl fuse 15a
• X405