C 2500 Truck 2WD V8-350 5.7L (1988): Powertrain Management
Also for this vehicle: C 2500 Truck 2WD L6-292 4.8L (1986), C 2500 Truck 2WD V6-262 4.3L (1985), C 2500 Truck 2WD V8-305 5.0L (1986), C 2500 Truck 2WD V8-305 5.0L VIN H TBI (1995), C 2500 Truck 2WD V8-305 5.0L VIN M SFI (1996), C 2500 Truck 2WD V8-350 5.7L VIN L 4-bbl (1985), C 2500 Truck 2WD V8-350 5.7L VIN M 4-bbl (1986), C 2500 Truck 2WD V8-379 6.2L DSL VIN C FI (1985), C 2500 Truck 2WD V8-379 6.2L DSL VIN J FI (1986), C 2500 Truck 2WD V8-393 6.5L DSL (1994), C 2500 Truck 2WD V8-393 6.5L DSL Turbo (1992), C 2500 Truck 2WD V8-393 6.5L DSL Turbo VIN S (1995), C 2500 Truck 2WD V8-454 7.4L (1985), C 2500 Truck 2WD V8-454 7.4L VIN J SFI (1996), C 2500 Truck 2WD V8-454 7.4L VIN N TBI (1995), C 2500 Truck 2WD V8-5.7L VIN R (1997), C 2500 Truck 2WD V8-6.0L VIN U (2002), C 2500 Truck 2WD V8-6.5L DSL Turbo VIN F (1994), C 2500 Truck 2WD V8-6.5L DSL Turbo VIN S (1997), C 2500 Truck 2WD V8-6.6L DSL Turbo VIN 1 (2001), C 2500 Truck 2WD V8-8.1L VIN G (2002).
Diagnostics
Maintenance
Engine
Transmission
Brakes
Electrical
Steering & suspension
Heating & A/C
Body & interior
Choose Sections to see everything in a chapter, or a chapter title to start at its first page.
Relays and Modules - Powertrain Management61 pages
Relays and Modules - Computers and Control Systems17 pages
- Electronic Spark Timing <--> [Electronic Spark Control Module] › Component Information › Locations › Electronic Spark Control (ESC) Module2
Engine Control Module › Component Information14 pages
- Idle/Throttle Speed Control Unit › Component Information › Specifications
Relays and Modules - Fuel Delivery and Air Induction41 pages
Sensors and Switches - Powertrain Management56 pages
Sensors and Switches - Computers and Control Systems44 pages
- Absolute Pressure Sensor <--> [Barometric Pressure Sensor] › Component Information › Specifications
Coolant Temperature Sensor/Switch (For Computer) › Component Information3 pages
- Manifold Air Temperature (MAT) Sensor <--> [Intake Air Temperature Sensor] › Component Information › Specifications
Knock Sensor › Component Information4 pages
- Manifold Pressure/Vacuum Sensor › Component Information › Specifications23456
- Oil Pressure Sensor › Component Information › Locations
- Oxygen Sensor › Component Information › Technical Service Bulletins › Oxygen Sensors - Silica Contamination
- Throttle Position Sensor › Component Information › Locations234
- Transmission Position Switch/Sensor, A/T › Component Information › Description and Operation23
Vehicle Speed Sensor › Component Information20 pages
Sensors and Switches - Fuel Delivery and Air Induction8 pages
Sensors and Switches - Ignition System › Knock Sensor › Component Information4 pages
Tune-up and Engine Performance Checks45 pages
Air Cleaner Housing › Air Filter Element › Component Information › Technical Service Bulletins4 pages
- Fuel Filter › Fuel Pressure Release › System Information › Service and Repair
- Firing Order › Component Information › Specifications › Ignition Firing Order
Spark Plug Wire <--> [Ignition Cable] › Component Information › Technical Service Bulletins12 pages
- Customer Interest: › 93356D › Oct › 92 › Engine - Miss, Hesitation, or Roughness
- All Technical Service Bulletins: › 93356D › Oct › 92 › Engine - Miss, Hesitation, or Roughness
All Other Service Bulletins for Spark Plug Wire:10 pages
- 06-08-43-003C › Feb › 11 › Glass/Body - Windshield Wiper Performance2
- 00-08-48-005D › Sep › 10 › Body - Vehicle Glass Distortion Information
- 09-08-48-006 › Sep › 09 › Body - Stain/Film On Windshield Glass Perimeter2
- 09-08-48-002A › Mar › 09 › Body - Marks/Stains on Windshield When Wet
- 73-10-54 › May › 97 › Windshield - Two-Part Urethane Adhesive For Installation
- 911268E › Nov › 90 › Wiper Blades - Chattering on Windshield
- 88T60 › Dec › 87 › Windshield - Leak Repair and Glass Removal2
All Other Service Bulletins for Spark Plug Wire:0 pages
- 06-08-43-003C › Feb › 11 › Glass/Body - Windshield Wiper Performance
- 00-08-48-005D › Sep › 10 › Body - Vehicle Glass Distortion Information
- 09-08-48-006 › Sep › 09 › Body - Stain/Film On Windshield Glass Perimeter
- 09-08-48-002A › Mar › 09 › Body - Marks/Stains on Windshield When Wet
- 73-10-54 › May › 97 › Windshield - Two-Part Urethane Adhesive For Installation
- 911268E › Nov › 90 › Wiper Blades - Chattering on Windshield
- 88T60 › Dec › 87 › Windshield - Leak Repair and Glass Removal
Distributor, Ignition › Component Information6 pages
Technical Service Bulletins4 pages
- Customer Interest: › 88T2036D › Mar › 89 › Engine - Rough/Surges/Misfires/Code 43
- All Technical Service Bulletins: › 88T2036D › Mar › 89 › Engine - Rough/Surges/Misfires/Code 43
- All Other Service Bulletins for Distributor: › 04-07-30-013B › Feb › 07 › Engine, A/T - Shift/Driveability Concerns/MIL ON2
- All Other Service Bulletins for Distributor: › 04-07-30-013B › Feb › 07 › Engine, A/T - Shift/Driveability Concerns/MIL ON
- Specifications › Torque Specifications2
- Spark Plug › Component Information › Technical Service Bulletins › Ignition System - Spark Plug Usage Change
- Compression Check › System Information › Specifications2
- Valve Clearance › System Information › Specifications › Valve Clearance Specifications2
Computers and Control Systems143 pages
- Manifold Air Temperature (MAT) Sensor <--> [Intake Air Temperature Sensor] › Component Information › Specifications
- Absolute Pressure Sensor <--> [Barometric Pressure Sensor] › Component Information › Specifications
Coolant Temperature Sensor/Switch (For Computer) › Component Information3 pages
- Reference Signal <--> [Cranking Signal] › Component Information › Description and Operation23
- Assembly Line Diagnostic Link (ALDL) Connector <--> [Data Link Connector] › Component Information › Locations23
- Electronic Spark Timing <--> [Electronic Spark Control Module] › Component Information › Locations › Electronic Spark Control (ESC) Module2
Engine Control Module › Component Information14 pages
- Idle Speed/Throttle Actuator - Electronic › Component Information › Locations › Idle Air Control (IAC) Stepper Motor2
- Idle/Throttle Speed Control Unit › Component Information › Specifications
Knock Sensor › Component Information4 pages
- Malfunction Indicator Lamp › Malfunction Indicator Lamp Driver Module › Component Information › Locations
- Manifold Pressure/Vacuum Sensor › Component Information › Specifications23456
- Memory Calibration Unit › Component Information › Technical Service Bulletins › PROM/MEMCAL - Identification Marks2
- Mixture Control Solenoid › Component Information › Specifications
- Oil Pressure Sensor › Component Information › Locations
- Quad Driver <--> [Output Driver] › Component Information › Locations234
- Oxygen Sensor › Component Information › Technical Service Bulletins › Oxygen Sensors - Silica Contamination
Relays and Modules - Computers and Control Systems17 pages
- Electronic Spark Timing <--> [Electronic Spark Control Module] › Component Information › Locations › Electronic Spark Control (ESC) Module2
Engine Control Module › Component Information14 pages
- Idle/Throttle Speed Control Unit › Component Information › Specifications
Sensors and Switches - Computers and Control Systems44 pages
- Absolute Pressure Sensor <--> [Barometric Pressure Sensor] › Component Information › Specifications
Coolant Temperature Sensor/Switch (For Computer) › Component Information3 pages
- Manifold Air Temperature (MAT) Sensor <--> [Intake Air Temperature Sensor] › Component Information › Specifications
Knock Sensor › Component Information4 pages
- Manifold Pressure/Vacuum Sensor › Component Information › Specifications23456
- Oil Pressure Sensor › Component Information › Locations
- Oxygen Sensor › Component Information › Technical Service Bulletins › Oxygen Sensors - Silica Contamination
- Throttle Position Sensor › Component Information › Locations234
- Transmission Position Switch/Sensor, A/T › Component Information › Description and Operation23
Vehicle Speed Sensor › Component Information20 pages
- Shift Light › Component Information › Testing and Inspection2
- Throttle Position Sensor › Component Information › Locations234
- Transmission Position Switch/Sensor, A/T › Component Information › Description and Operation23
Vehicle Speed Sensor › Component Information20 pages
Vehicle Speed Sensor Signal Buffer › Component Information3 pages
Emission Control Systems29 pages
Air Injection Reaction (AIR) System <--> [Air Injection]12 pages
- Electric Air Control Valve <--> [Air Diverter Valve] › Component Information › Locations2
Air Injection Check Valve › Component Information › Technical Service Bulletins4 pages
Customer Interest for Air Injection Check Valve:2 pages
All Technical Service Bulletins for Air Injection Check Valve:2 pages
- Air Injection Control Valve › Component Information › Service and Repair
Air Injection Hose/Tube › Component Information › Technical Service Bulletins3 pages
- Customer Interest: › 88T1856E › Jan › 89 › Engine - Chirping Noise At Idle
- All Technical Service Bulletins: › 88T1856E › Jan › 89 › Engine - Chirping Noise At Idle
- All Other Service Bulletins for Air Injection Hose/Tube: › 918A170 › Dec › 91 › Backup Lamps/Tailgate Window Release - Inoperative
- All Other Service Bulletins for Air Injection Hose/Tube: › 918A170 › Dec › 91 › Backup Lamps/Tailgate Window Release - Inoperative
- Air Injection Pump › Component Information › Service and Repair2
- Catalytic Converter › Component Information › Description and Operation23
- Evaporative Emissions System › Evaporative Emission Control Canister › Component Information › Locations
Exhaust Gas Recirculation9 pages
Electronic Vacuum Regulator Valve (EVRV) <--> [EGR Control Solenoid] › Component Information3 pages
- EGR Electronic Vacuum Regulator Solenoid › Component Information › Locations2
EGR Valve › Component Information4 pages
Positive Crankcase Ventilation2 pages
- Thermostatic Air Cleaner › Component Information › Description and Operation2
Fuel Delivery and Air Induction197 pages
- Fuel Pressure Release › System Information › Service and Repair
- Accelerator Controls <--> [Accelerator Pedal] › Component Information › Locations23
Air Cleaner Housing › Air Filter Element › Component Information › Technical Service Bulletins4 pages
- Cold Start Solenoid (For Injection Pump) › Cold Start Solenoid Relay › Component Information › Locations
- Diagnostic Connector - Fuel Pump › Component Information › Locations
- Fuel › Component Information › Technical Service Bulletins › Fuel System - TOP TIER Detergent Gasoline (Canada)234567
- Fuel Filler Cap › Component Information › Locations
- Fuel Filter › Fuel Pressure Release › System Information › Service and Repair
- Fuel Injector › Fuel Injector Wiring Harness › Component Information › Technical Service Bulletins › Fuel Injector - Wires Trapped Installing Air Cleaner
- Fuel Module <--> [Fuel Pressure Control Module] › Component Information › Locations23
- Fuel Pressure Regulator › Component Information › Description and Operation
- Fuel Pressure Test Port › Component Information › Locations
Fuel Pump38 pages
- Fuel Return Line › Component Information › Technical Service Bulletins › Fuel - Feed/Return Pipe Repair
Fuel Supply Line › Component Information › Technical Service Bulletins14 pages
- Customer Interest: › 906C89 › Sep › 90 › Engine - No Start After Extended Storage23456
All Technical Service Bulletins for Fuel Supply Line:7 pages
- All Other Service Bulletins for Fuel Supply Line: › 89316C › Nov › 88 › Fuel - Feed/Return Pipe Repair
- Idle Speed/Throttle Actuator - Electronic › Component Information › Locations › Idle Air Control (IAC) Stepper Motor2
- Idle/Throttle Speed Control Unit › Component Information › Specifications
- Oil Pressure Switch (For Fuel Pump) › Component Information › Locations234
Relays and Modules - Fuel Delivery and Air Induction41 pages
Sensors and Switches - Fuel Delivery and Air Induction8 pages
Throttle Body › Component Information10 pages
- Throttle Cable/Linkage › Component Information › Locations234
- Throttle Position Sensor › Component Information › Locations234
Ignition System36 pages
- Firing Order › Component Information › Specifications › Ignition Firing Order
Distributor, Ignition › Component Information4 pages
- Electronic Spark Timing <--> [Electronic Spark Control Module] › Component Information › Locations › Electronic Spark Control (ESC) Module2
Spark Plug Wire <--> [Ignition Cable] › Component Information › Technical Service Bulletins2 pages
- Ignition Coil › Component Information › Specifications23
- Ignition Control Module › Component Information › Service and Repair
- Ignition Timing Connector › Component Information › Locations › Component Locations234
Knock Sensor › Component Information4 pages
- Pick-Up Coil, Ignition › Component Information › Specifications
Sensors and Switches - Ignition System › Knock Sensor › Component Information4 pages
- Spark Plug › Component Information › Technical Service Bulletins › Ignition System - Spark Plug Usage Change
Transmission Control Systems22 pages
Actuators and Solenoids - Transmission and Drivetrain9 pages
Actuators and Solenoids - A/T7 pages
- Pressure Regulating Solenoid, A/T › Component Information › Service and Repair
Detent Solenoid <--> [Shift Solenoid, A/T] › Component Information4 pages
Torque Converter Clutch Solenoid, A/T › Component Information › Technical Service Bulletins2 pages
- Actuators and Solenoids - M/T › Gear Lockout Solenoid, M/T › Component Information › Locations
- Actuators and Solenoids - Transfer Case › Transfer Case Actuator › Component Information › Technical Service Bulletins › Front Drive Axle Engagement
- Lamps and Indicators - Transmission and Drivetrain › Lamps and Indicators - A/T › Maintenance Indicator - A/T › Component Information › Technical Service Bulletins › A/T Fluid Level Indicator - Revised (Sealed)
- Relays and Modules - Transmission and Drivetrain › Relays and Modules - A/T › Shift Solenoid Relay, A/T › Component Information › Locations › Downshift Relay (THM400 Trans.)2
Sensors and Switches - Transmission and Drivetrain10 pages
Sensors and Switches - A/T9 pages
Fluid Pressure Sensor/Switch, A/T › Component Information › Technical Service Bulletins4 pages
- Transmission Position Switch/Sensor, A/T › Component Information › Description and Operation23
- Transmission Speed Sensor, A/T › Component Information › Specifications2
- Sensors and Switches - Differential › Switch, Differential Lock › Component Information › Locations
PROM - Programmable Read Only Memory › Component Information73 pages
Technical Service Bulletins32 pages
Customer Interest:14 pages
- 926100 › Jun › 92 › A/T - Low Power/Lack of Performance With 4L80E2
- 88T1286E › Jul › 88 › Engine Controls - Surge In 1ST Gear (Revised PROM)
- 882626E › Jun › 88 › Engine - Surge In First Gear
- 88T1096E › May › 88 › Engine Controls - New PROM (Driveability/False Lights)2345
- 881806E › Mar › 88 › Engine - Drivability/False Trouble Codes23
- 88T256E › Jul › 87 › Engine Controls - Improved Driveability/False MIL Lamp2
All Technical Service Bulletins for PROM - Programmable Read Only Memory:16 pages
- 926100 › Jun › 92 › A/T - Low Power/Lack of Performance With 4L80E2
- 916D113 › Jul › 91 › ECM/PCM - Installation Procedures/Mem-Cal Concerns
- 88T1286E › Jul › 88 › Engine Controls - Surge In 1ST Gear (Revised PROM)
- 882626E › Jun › 88 › Engine - Surge In First Gear
- 88T1096E › May › 88 › Engine Controls - New PROM (Driveability/False Lights)2345
- 881806E › Mar › 88 › Engine - Drivability/False Trouble Codes23
- 8842 › Sep › 87 › Engine Controls - ECM May Contain Wrong PROM
- 88T256E › Jul › 87 › Engine Controls - Improved Driveability/False MIL Lamp2
All Other Service Bulletins for PROM - Programmable Read Only Memory:2 pages
- Description and Operation › CALPAK2345
- Service and Repair › CALPAK2345