TRANSMISSION – Chevrolet Express 1500 LS 2014 – SYSTEM WIRING DIAGRAMS

TRANSMISSION

Transmission Wiring Diagram (1 of 2) for Chevrolet Express 1500 LS 2014

List of elements for Transmission Wiring Diagram (1 of 2) for Chevrolet Express 1500 LS 2014:

• 1-2 shift sol
• 2-3 shift sol
• Acc wakeup data
• Automatic transmission (a/t) output shaft speed (oss) sensor
• Batt pos volt
• Brk sw fuse 13 10a
• Brk sw sig
• Computer data lines system
• G103 (4.3l: left rear of engine) (5.3l: on right rear of engine)
• Gnd
• Hi spd gmlan data (+)
• Hi spd gmlan data (-)
• Hot at all times
• Hot w/ run/crnk relay 15 energized
• Ign volt
• Iss sig
• J101
• J123 (in engine harness, 16 cm from underhood fuse block x1 breakout)
• Low ref
• Pc sol hi
• Pc sol low
• Pnk
• Replicated tos sig
• Stop lamp switch (behind left side of dash, above brake pedal)
• Tan
• Tcc pwm
• Tcc sol valve ctrl
• Tcm batt fuse 32 10a
• Tcm ign fuse 31 15a
• Tft sens sig
• Tr sw a sig
• Tr sw b sig
• Tr sw c sig
• Tr sw p sig
• Trans fuse 17 15a
• Transmission control module (tcm)
• Underhood fuse block (on left side of engine compt)
• Vss hi sig
• Vss low sig
• X221

Transmission Wiring Diagram (2 of 2) for Chevrolet Express 1500 LS 2014

List of elements for Transmission Wiring Diagram (2 of 2) for Chevrolet Express 1500 LS 2014:

• 1-2 shift solenoid (ss) valve
• 2-3 shift solenoid (ss) valve
• 4.3l
• 5.3l
• Automatic transmission
• Automatic transmission fluid temperature (tft) sensor
• Automatic transmission input shaft speed (iss) sensor
• Body control module (bcm) (behind lower right side of dash)
• Computer data lines system
• Ctrl mil
• Engine control module (ecm)
• G103 (4.3l: left rear of engine) (5.3l: on right rear of engine)
• G302 (behind left kick panel)
• Hi spd gmlan +
• Hi spd gmlan -
• Ind mil
• Instrument panel cluster
• J135
• J248
• Lo gm gmlan
• Logic
• Mil ctrl
• Nca
• Park/neutral position (pnp) switch
• Park/neutral signal
• Pnk
• Pressure control (pc) solenoid valve
• Prnd321
• Red
• Replicated tos sig
• Tan
• Torque converter clutch (tcc) pressure control solenoid valve
• Torque converter clutch (tcc) solenoid valve
• Tow/ haul ind
• Tow/haul sw sig
• Tow/haul switch
• X100