WIRING HARNESS
Note. Tools required: Wiring Harness Connector Remover (J-44257), and Internal Wiring Harness Installer (J-44247).
Home/GMC/Sierra 2500/GMC Sierra 2500 (2000-2004)/Repair manual/Automatic Trans/Automatic Transmission - Servicing - Allison: Wiring
Contents
Wiring diagrams Section: Automatic Trans- Automatic Transmission - 4L80-E - Overhaul & Testing: Specifications
- Automatic Transmission - 4L80-E - Overhaul & Testing: Overview
- Automatic Transmission - 4L80-E - Overhaul & Testing: Diagnosis
- Automatic Transmission - 4L80-E - Overhaul & Testing: Overhaul
- Automatic Transmission - 4L80-E - Overhaul & Testing: Maintenance
- Automatic Transmission - 4L80-E - Overhaul & Testing: Application
- Automatic Transmission - 4L80-E - Overhaul & Testing: Other
- Automatic Transmission Diagnosis - 4L80-E: Specifications
- Automatic Transmission Diagnosis - 4L80-E: Overview
- Automatic Transmission Diagnosis - 4L80-E: Diagnosis
- Automatic Transmission Diagnosis - 4L80-E: Removal & Installation
- Automatic Transmission Diagnosis - 4L80-E: Overhaul
- Automatic Transmission Diagnosis - 4L80-E: NVH
- Automatic Transmission Diagnosis - 4L80-E: Application
- Automatic Transmission Diagnosis - 4L80-E: Other
- DTC P0218: TRANSMISSION FLUID OVERTEMPERATURE
- DTC P0502: VSS CIRCUIT - LOW INPUT
- DTC P0503: VSS CIRCUIT - INTERMITTENT
- DTC P0706: TRANSMISSION RANGE SWITCH CIRCUIT - LOW INPUT
- DTC P0711: TRANSMISSION FLUID TEMPERATURE SENSOR CIRCUIT - RANGE/PERFORMANCE
- DTC P0712: TRANSMISSION FLUID TEMPERATURE SENSOR CIRCUIT - LOW INPUT
- DTC P0713: TRANSMISSION FLUID TEMPERATURE SENSOR CIRCUIT - HIGH INPUT
- DTC P0716: INPUT SPEED SENSOR CIRCUIT - INTERMITTENT
- DTC P0717: INPUT SPEED SENSOR CIRCUIT - LOW INPUT
- DTC P0719: BRAKE SWITCH CIRCUIT - LOW INPUT
- DTC P0724: BRAKE SWITCH CIRCUIT - HIGH INPUT
- DTC P0730: INCORRECT GEAR RATIO
- DTC P0741: TCC SYSTEM - STUCK OFF
- DTC P0742: TCC SYSTEM STUCK ON
- DTC P0748: PC SOLENOID CIRCUIT - ELECTRICAL MALFUNCTION
- DTC P0751: 1-2 SHIFT SOLENOID VALVE - PERFORMANCE
- DTC P0752: 1-2 SHIFT SOLENOID VALVE - PERFORMANCE
- DTC P0753: 1-2 SHIFT SOLENOID VALVE - ELECTRICAL MALFUNCTION
- DTC P0756: 2-3 SHIFT SOLENOID VALVE - PERFORMANCE
- DTC P0757: 2-3 SHIFT SOLENOID VALVE - PERFORMANCE
- DTC P0758: 2-3 SHIFT SOLENOID VALVE - ELECTRICAL MALFUNCTION
- DTC P1810: TFP MANUAL VALVE POSITION SWITCH ASSEMBLY - CIRCUIT MALFUNCTION
- DTC P1860: TCC PWM SOLENOID CIRCUIT - ELECTRICAL MALFUNCTION
- DTC P1870: TRANSMISSION COMPONENT SLIPPING
- DTC P1875: 4WD LOW SWITCH CIRCUIT - ELECTRICAL MALFUNCTION
- Shift Interlock System: Overview
- Shift Interlock System: Adjustments
- Shift Interlock System: Diagnosis
- Shift Interlock System: Removal & Installation
- Shift Interlock System: Overhaul
- Shift Interlock System: Other
- Automatic Transmission - Diagnosis - Allison: Specifications
- Automatic Transmission - Diagnosis - Allison: Overview
- Automatic Transmission - Diagnosis - Allison: Diagnosis
- Automatic Transmission - Diagnosis - Allison: Removal & Installation
- Automatic Transmission - Diagnosis - Allison: Overhaul
- Automatic Transmission - Diagnosis - Allison: Maintenance
- Automatic Transmission - Diagnosis - Allison: Wiring
- Automatic Transmission - Diagnosis - Allison: NVH
- Automatic Transmission - Diagnosis - Allison: Application
- Automatic Transmission - Diagnosis - Allison: Other
- DTC P0218: TRANSMISSION FLUID OVERTEMPERATURE
- DTC P0500: VEHICLE SPEED SENSOR CIRCUIT
- DTC P0561: UNREALISTIC VARIATIONS IN VEHICLE SYSTEM VOLTAGE
- DTC P0562: SYSTEM VOLTAGE LOW
- DTC P0563: SYSTEM VOLTAGE HIGH
- DTC P0606: CONTROLLER INTERNAL PERFORMANCE (2001)
- DTC P0701: TRANSMISSION CONTROL SYSTEM PERFORMANCE
- DTC P0703: BRAKE SWITCH CIRCUIT
- DTC P0706: TRANSMISSION RANGE SENSOR CIRCUIT PERFORMANCE (2001)
- DTC P0708: TRANSMISSION RANGE SENSOR CIRCUIT HIGH INPUT
- DTC P0711: TRANSMISSION FLUID TEMPERATURE SENSOR CIRCUIT - PERFORMANCE
- DTC P0712: TRANSMISSION FLUID TEMPERATURE SENSOR CIRCUIT - LOW INPUT (HIGH TEMPERATURE)
- DTC P0713: TRANSMISSION FLUID TEMPERATURE SENSOR CIRCUIT - HIGH INPUT (LOW TEMPERATURE)
- DTC P0716: TURBINE SPEED SENSOR CIRCUIT - PERFORMANCE
- DTC P0717: TURBINE SPEED SENSOR CIRCUIT - NO SIGNAL
- DTC P0721: OUTPUT SPEED SENSOR CIRCUIT - PERFORMANCE
- DTC P0722: OUTPUT SPEED SENSOR CIRCUIT - NO SIGNAL
- DTC P0726: ENGINE SPEED SENSOR CIRCUIT - PERFORMANCE
- DTC P0727: ENGINE SPEED SENSOR CIRCUIT - NO SIGNAL
- DTC P0731: INCORRECT 1ST GEAR RATIO (2001)
- DTC P0731: INCORRECT 1ST GEAR RATIO (2002)
- DTC P0732: INCORRECT 2ND GEAR RATIO (2001)
- DTC P0732: INCORRECT 2ND GEAR RATIO (2002)
- DTC P0733: INCORRECT 3RD GEAR RATIO (2001)
- DTC P0733: INCORRECT 3RD GEAR RATIO (2002)
- DTC P0734: INCORRECT 4TH GEAR RATIO (2001)
- DTC P0734: INCORRECT 4TH GEAR RATIO (2002)
- DTC P0735: INCORRECT 5TH GEAR RATIO (2001)
- DTC P0735: INCORRECT 5TH GEAR RATIO (2002)
- DTC P0736: INCORRECT REVERSE RATIO
- DTC P0741: TORQUE CONVERTER CLUTCH SYSTEM STUCK OFF
- DTC P0742: TORQUE CONVERTER CLUTCH SYSTEM STUCK ON
- DTC P0743/P1860: TORQUE CONVERTER CLUTCH - ELECTRICAL
- DTC P0746/P1720: SOLENOID "A" CONTROLLED CLUTCH STUCK OFF
- DTC P0747/P1723: SOLENOID "A" CONTROLLED CLUTCH STUCK ON
- DTC P0748: PRESSURE CONTROL SOLENOID "A" ELECTRICAL
- DTC P0763: SHIFT SOLENOID "C" ELECTRICAL
- DTC P0768: SHIFT SOLENOID "D" ELECTRICAL
- DTC P0773: SHIFT SOLENOID "E" ELECTRICAL
- DTC P0776/P1721: SOLENOID "B" CONTROLLED CLUTCH STUCK OFF
- DTC P0777/P1724: SOLENOID "B" CONTROLLED CLUTCH STUCK ON
- DTC P0778: PRESSURE CONTROL SOLENOID "B" ELECTRICAL
- DTC P0836: 4-WHEEL DRIVE LOW SWITCH CIRCUIT MALFUNCTION
- DTC P0840: PRESSURE SWITCH SOLENOID "C" CIRCUIT MALFUNCTION
- DTC P0841: PRESSURE SWITCH SOLENOID "C" CIRCUIT STUCK OPEN
- DTC P0842: PRESSURE SWITCH SOLENOID "C" CIRCUIT STUCK CLOSED
- DTC P0843: PRESSURE SWITCH SOLENOID "C" CIRCUIT HIGH
- DTC P0845: PRESSURE SWITCH SOLENOID "D" CIRCUIT MALFUNCTION
- DTC P0846: PRESSURE SWITCH SOLENOID "D" CIRCUIT STUCK OPEN
- DTC P0847: PRESSURE SWITCH SOLENOID "D" CIRCUIT STUCK CLOSED
- DTC P0848: PRESSURE SWITCH SOLENOID "D" CIRCUIT HIGH
- DTC P0870/P1709: PRESSURE SWITCH "E" CIRCUIT MALFUNCTION
- DTC P0871/P1710: PRESSURE SWITCH SOLENOID "E" CIRCUIT STUCK OPEN
- DTC P0872/P1711: PRESSURE SWITCH SOLENOID "E" CIRCUIT STUCK CLOSED
- DTC P0873/P1712: PRESSURE SWITCH SOLENOID "E" CIRCUIT HIGH
- DTC P0875/P1713: REVERSE PRESSURE SWITCH CIRCUIT MALFUNCTION
- DTC P0876/P1714: REVERSE PRESSURE SWITCH CIRCUIT STUCK OPEN
- DTC P0880: TCM POWER INPUT SIGNAL
- DTC P1571: TCM TORQUE REQUEST CIRCUIT (8.1L)
- DTC P1688: UNMANAGED ENGINE TORQUE DELIVERED TO TCM
- DTC P1718: INCORRECT NEUTRAL GEAR RATIO (2001)
- DTC P1726: SOLENOID "D" CONTROLLED CLUTCH ENGAGED (2001)
- DTC P1727: SOLENOID "E" CONTROLLED CLUTCH ENGAGED (2001)
- DTC P1760: TCM SUPPLY VOLTAGE
- DTC P1779: ENGINE TORQUE DELIVERED TO TCM
- DTC P1875: 4-WHEEL DRIVE LOW SWITCH CIRCUIT
- DTC U2105: CAN BUS PCM ERROR
- Automatic Transmission - Servicing - Allison: Specifications
- Automatic Transmission - Servicing - Allison: Adjustments
- Automatic Transmission - Servicing - Allison: Removal & Installation
- Automatic Transmission - Servicing - Allison: Maintenance
- Automatic Transmission - Servicing - Allison: Wiring
- Automatic Transmission - Servicing - Allison: Application
- Automatic Transmission - Servicing - Allison: Other
- Automatic Transmission - Servicing - Except Allison: Specifications
- Automatic Transmission - Servicing - Except Allison: Adjustments
- Automatic Transmission - Servicing - Except Allison: Removal & Installation
- Automatic Transmission - Servicing - Except Allison: Overhaul
- Automatic Transmission - Servicing - Except Allison: Maintenance
- Automatic Transmission - Servicing - Except Allison: Wiring
- Automatic Transmission - Servicing - Except Allison: Application
- Automatic Transmission - Servicing - Except Allison: Other
- Automatic Transmission Diagnosis - 4L60-E: Specifications
- Automatic Transmission Diagnosis - 4L60-E: Overview
- Automatic Transmission Diagnosis - 4L60-E: Diagnosis
- Automatic Transmission Diagnosis - 4L60-E: Overhaul
- Automatic Transmission Diagnosis - 4L60-E: Maintenance
- Automatic Transmission Diagnosis - 4L60-E: NVH
- Automatic Transmission Diagnosis - 4L60-E: Application
- Automatic Transmission Diagnosis - 4L60-E: Other
- DTC P0218: TRANSMISSION FLUID OVERTEMPERATURE
- DTC P0502: VSS CIRCUIT - LOW INPUT
- DTC P0503: VSS CIRCUIT - INTERMITTENT
- DTC P0705: TRANSMISSION RANGE SENSOR CIRCUIT
- DTC P0706: TRANSMISSION RANGE SWITCH PERFORMANCE
- DTC P0711: TFT SENSOR CIRCUIT - RANGE/PERFORMANCE
- DTC P0712: TFT SENSOR CIRCUIT - LOW INPUT
- DTC P0713: TFT SENSOR CIRCUIT - HIGH INPUT
- DTC P0719: BRAKE SWITCH CIRCUIT - LOW INPUT
- DTC P0724: BRAKE SWITCH CIRCUIT - HIGH INPUT
- DTC P0740: TCC ENABLE SOLENOID CIRCUIT - ELECTRICAL MALFUNCTION
- DTC P0741: TCC CIRCUIT PERFORMANCE OR STUCK OFF
- DTC P0742: TCC SYSTEM - STUCK ON
- DTC P0748: PRESSURE CONTROL SOLENOID CIRCUIT - ELECTRICAL MALFUNCTION
- DTC P0751: 1-2 SHIFT SOLENOID PERFORMANCE OR STUCK OFF
- DTC P0752: 1-2 SHIFT SOLENOID STUCK ON
- DTC P0753: 1-2 SHIFT SOLENOID CIRCUIT - ELECTRICAL MALFUNCTION
- DTC P0756: 2-3 SHIFT SOLENOID PERFORMANCE OR STUCK OFF
- DTC P0757: 2-3 SHIFT SOLENOID STUCK ON
- DTC P0758: 2-3 SHIFT SOLENOID CIRCUIT - ELECTRICAL MALFUNCTION
- DTC P0785: 3-2 SHIFT SOLENOID CIRCUIT - ELECTRICAL MALFUNCTION
- DTC P1810: TFP MANUAL VALVE POSITION SWITCH - CIRCUIT MALFUNCTION
- DTC P1860: TCC PWM SOLENOID ELECTRICAL MALFUNCTION
- DTC P1870: TRANSMISSION COMPONENT SLIPPING
- DTC P1875: 4WD LOW SWITCH CIRCUIT - ELECTRICAL MALFUNCTION
- Automatic Transmission - 4L60-E/4L65-E - Removal & Installation: Specifications
- Automatic Transmission - 4L60-E/4L65-E - Removal & Installation: Application
- Automatic Transmission - 4L80-E - Removal & Installation: Specifications
- Automatic Transmission - 4L80-E - Removal & Installation: Application
- Automatic Transmission - Removal & Installation - Allison: Specifications
- Automatic Transmission - Removal & Installation - Allison: Removal & Installation
- Automatic Transmission - Removal & Installation - Allison: Application
- Automatic Transmission - 4L60-E/4L65-E - Overhaul & Testing: Specifications
- Automatic Transmission - 4L60-E/4L65-E - Overhaul & Testing: Overview
- Automatic Transmission - 4L60-E/4L65-E - Overhaul & Testing: Diagnosis
- Automatic Transmission - 4L60-E/4L65-E - Overhaul & Testing: Overhaul
- Automatic Transmission - 4L60-E/4L65-E - Overhaul & Testing: Maintenance
- Automatic Transmission - 4L60-E/4L65-E - Overhaul & Testing: Application
- Automatic Transmission - 4L60-E/4L65-E - Overhaul & Testing: Other
- Abbreviations
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- Engine Mechanical - 4.8L, 5.3L, & 6.0L (Unit Repair): Removal & Installation
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