K 2500 Truck 4WD V6-262 4.3L (1991): Powertrain Management
Also for this vehicle: K 2500 Truck 4WD L6-292 4.8L (1985), K 2500 Truck 4WD V6-262 4.3L VIN Z TBI (1995), K 2500 Truck 4WD V8-305 5.0L (1985), K 2500 Truck 4WD V8-305 5.0L VIN M SFI (1998), K 2500 Truck 4WD V8-350 5.7L (1991), K 2500 Truck 4WD V8-350 5.7L VIN K TBI (1995), K 2500 Truck 4WD V8-350 5.7L VIN M 4-bbl (1985), K 2500 Truck 4WD V8-379 6.2L DSL (1988), K 2500 Truck 4WD V8-379 6.2L DSL VIN C FI (1989), K 2500 Truck 4WD V8-379 6.2L DSL VIN J FI (1985), K 2500 Truck 4WD V8-393 6.5L DSL (1994), K 2500 Truck 4WD V8-393 6.5L DSL Turbo (1992), K 2500 Truck 4WD V8-393 6.5L DSL Turbo VIN S (1996), K 2500 Truck 4WD V8-393 6.5L DSL VIN P (1995), K 2500 Truck 4WD V8-454 7.4L (1990), K 2500 Truck 4WD V8-454 7.4L VIN J SFI (1997), K 2500 Truck 4WD V8-5.3L VIN T (1999), K 2500 Truck 4WD V8-5.7L VIN R (1996), K 2500 Truck 4WD V8-6.0L VIN U (1999), K 2500 Truck 4WD V8-6.5L DSL Turbo VIN F (1994), K 2500 Truck 4WD V8-6.5L DSL Turbo VIN S (1998), K 2500 Truck 4WD V8-8.1L VIN G (2001).
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 Management123 pages
Relays and Modules - Computers and Control Systems66 pages
- Electronic Spark Timing <--> [Electronic Spark Control Module] › Component Information › Description and Operation23
Engine Control Module › Component Information63 pages
- Technical Service Bulletins › Engine Controls - Aftermarket Accessory Usage23
- Specifications › Computer Terminal Voltage Specifications23456789101112
- Diagrams › With Automatic Transmission2345678
- Testing and Inspection › Component Tests and General Diagnostics234567891011121314151617181920…38
- Service and Repair › Engine Control Module (ECM) Replacement2
Relays and Modules - Fuel Delivery and Air Induction49 pages
Sensors and Switches - Powertrain Management72 pages
Sensors and Switches - Computers and Control Systems51 pages
- Absolute Pressure Sensor <--> [Barometric Pressure Sensor] › Component Information › Locations
- Coolant Temperature Sensor/Switch (For Computer) › Component Information › Specifications2
- Intake Air Temperature Sensor › Component Information › Specifications
- Knock Sensor › Component Information › Locations › Electronic Spark Control Module2345678
- Manifold Pressure/Vacuum Sensor › Component Information › Specifications23456
Oxygen Sensor › Component Information16 pages
Technical Service Bulletins8 pages
- Recalls: › 91C50 › Feb › 95 › Recall - Oxygen Sensor Replacement23
All Technical Service Bulletins for Oxygen Sensor:4 pages
- All Other Service Bulletins for Oxygen Sensor: › 81I37 › Feb › 81 › Oxygen Sensors - Silica Contamination
- Locations › Oxygen Sensor, Heated2345678
Throttle Position Sensor › Component Information › Technical Service Bulletins9 pages
- Recalls: › 916E14 › Aug › 91 › Campaign - TPS Inspection/Replacement23
All Technical Service Bulletins:4 pages
- All Other Service Bulletins for Throttle Position Sensor: › 937A18 › Oct › 92 › A/T - Buzzing Noise at Idle2
- All Other Service Bulletins for Throttle Position Sensor: › 937A18 › Oct › 92 › A/T - Buzzing Noise at Idle
- Transmission Position Switch/Sensor, A/T › Component Information › Description and Operation › Park Neutral Switch2
Vehicle Speed Sensor › Component Information6 pages
Sensors and Switches - Fuel Delivery and Air Induction13 pages
- Air Temperature Switch, Diesel › Component Information › Locations
- Oil Pressure Switch (For Fuel Pump) › Component Information › Locations234
Throttle Position Sensor › Component Information › Technical Service Bulletins8 pages
- Recalls: › 916E14 › Aug › 91 › Campaign - TPS Inspection/Replacement23
All Technical Service Bulletins:4 pages
- All Other Service Bulletins for Throttle Position Sensor: › 916E43 › Dec › 90 › TCC - False Code 32/ Possible MIL ON
- All Other Service Bulletins for Throttle Position Sensor: › 916E43 › Dec › 90 › TCC - False Code 32/ Possible MIL ON
- Sensors and Switches - Ignition System › Knock Sensor › Component Information › Locations › Electronic Spark Control Module2345678
Tune-up and Engine Performance Checks26 pages
- Fuel Pressure › System Information › Specifications2
Idle Speed › System Information3 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
- Ignition Timing › Number One Cylinder › Component Information › Locations › Number 1 Cylinder Location
Spark Plug Wire <--> [Ignition Cable] › Component Information › Technical Service Bulletins4 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:2 pages
All Other Service Bulletins for Spark Plug Wire:0 pages
- 916A180 › Mar › 92 › Oil Pressure Gauge - Flutters, or May Read High
- 916A157 › Nov › 91 › Oil Pressure Gauge - Flutters/Reads Full Scale
- Distributor, Ignition › Component Information › Specifications23
Spark Plug › Component Information4 pages
- Compression Check › System Information › Specifications
- Valve Clearance › System Information › Specifications › Valve Clearance Specifications2
Computers and Control Systems251 pages
- Intake Air Temperature Sensor › Component Information › Specifications
- Absolute Pressure Sensor <--> [Barometric Pressure Sensor] › Component Information › Locations
- Coolant Temperature Sensor/Switch (For Computer) › Component Information › Specifications2
- Reference Signal <--> [Cranking Signal] › Component Information › Description and Operation
- Assembly Line Diagnostic Link (ALDL) Connector <--> [Data Link Connector] › Component Information › Diagrams
- Electronic Spark Timing <--> [Electronic Spark Control Module] › Component Information › Description and Operation23
Engine Control Module › Component Information63 pages
- Technical Service Bulletins › Engine Controls - Aftermarket Accessory Usage23
- Specifications › Computer Terminal Voltage Specifications23456789101112
- Diagrams › With Automatic Transmission2345678
- Testing and Inspection › Component Tests and General Diagnostics234567891011121314151617181920…38
- Service and Repair › Engine Control Module (ECM) Replacement2
- Idle Speed/Throttle Actuator - Mechanical › Component Information › Locations
- Knock Sensor › Component Information › Locations › Electronic Spark Control Module2345678
- 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
- Quad Driver <--> [Output Driver] › Component Information › Locations234
Oxygen Sensor › Component Information16 pages
Technical Service Bulletins8 pages
- Recalls: › 91C50 › Feb › 95 › Recall - Oxygen Sensor Replacement23
All Technical Service Bulletins for Oxygen Sensor:4 pages
- All Other Service Bulletins for Oxygen Sensor: › 81I37 › Feb › 81 › Oxygen Sensors - Silica Contamination
- Locations › Oxygen Sensor, Heated2345678
Relays and Modules - Computers and Control Systems66 pages
- Electronic Spark Timing <--> [Electronic Spark Control Module] › Component Information › Description and Operation23
Engine Control Module › Component Information63 pages
- Technical Service Bulletins › Engine Controls - Aftermarket Accessory Usage23
- Specifications › Computer Terminal Voltage Specifications23456789101112
- Diagrams › With Automatic Transmission2345678
- Testing and Inspection › Component Tests and General Diagnostics234567891011121314151617181920…38
- Service and Repair › Engine Control Module (ECM) Replacement2
Sensors and Switches - Computers and Control Systems50 pages
- Absolute Pressure Sensor <--> [Barometric Pressure Sensor] › Component Information › Locations
- Coolant Temperature Sensor/Switch (For Computer) › Component Information › Specifications2
- Intake Air Temperature Sensor › Component Information › Specifications
- Knock Sensor › Component Information › Locations › Electronic Spark Control Module2345678
- Manifold Pressure/Vacuum Sensor › Component Information › Specifications23456
Oxygen Sensor › Component Information16 pages
Technical Service Bulletins8 pages
- Recalls: › 91C50 › Feb › 95 › Recall - Oxygen Sensor Replacement23
All Technical Service Bulletins for Oxygen Sensor:4 pages
- All Other Service Bulletins for Oxygen Sensor: › 81I37 › Feb › 81 › Oxygen Sensors - Silica Contamination
- Locations › Oxygen Sensor, Heated2345678
Throttle Position Sensor › Component Information › Technical Service Bulletins8 pages
- Recalls: › 916E14 › Aug › 91 › Campaign - TPS Inspection/Replacement23
All Technical Service Bulletins for Throttle Position Sensor:4 pages
- All Other Service Bulletins for Throttle Position Sensor: › 926E12A › Apr › 92 › Engine Controls - Service Engine Soon Light, DTC 22-TPS
- Transmission Position Switch/Sensor, A/T › Component Information › Description and Operation › Park Neutral Switch2
Vehicle Speed Sensor › Component Information6 pages
Throttle Position Sensor › Component Information › Technical Service Bulletins8 pages
- Recalls: › 916E14 › Aug › 91 › Campaign - TPS Inspection/Replacement23
All Technical Service Bulletins for Throttle Position Sensor:4 pages
- All Other Service Bulletins for Throttle Position Sensor: › 926E12A › Apr › 92 › Engine Controls - Service Engine Soon Light, DTC 22-TPS
- Transmission Position Switch/Sensor, A/T › Component Information › Description and Operation › Park Neutral Switch2
Vehicle Speed Sensor › Component Information6 pages
- Vehicle Speed Sensor Signal Buffer › Component Information › Locations › VSS Input Buffer2
Emission Control Systems62 pages
Air Injection Reaction (AIR) System <--> [Air Injection]10 pages
- Air Diverter Solenoid › Component Information › Locations23
- Electronic Air Control Valve (EAC Valve) <--> [Air Diverter Valve] › Component Information › Description and Operation
- Air Injection Check Valve › Component Information › Specifications
- Air Injection Control Valve › Component Information › Service and Repair
- Air Injection Hose/Tube › Component Information › Specifications
- Air Injection Pump › Component Information › Specifications23
- Catalytic Converter › Component Information › Description and Operation23
Evaporative Emissions System › System Information14 pages
- Positive Crankcase Ventilation › Crankcase Filter › Component Information › Service and Repair
Thermostatic Air Cleaner › Thermostatic Air Cleaner Actuator › Component Information › Technical Service Bulletins15 pages
- Customer Interest: › 927A102 › Jul › 92 › PROM - Lack of Power/Transmission Hot Mode23456
- All Technical Service Bulletins: › 927A102 › Jul › 92 › PROM - Lack of Power/Transmission Hot Mode23456
- All Other Service Bulletins for Thermostatic Air Cleaner Actuator: › 917A139 › Aug › 91 › A/T - 4L60 Slipping or No 3rd/4th Gear23
- All Other Service Bulletins for Thermostatic Air Cleaner Actuator: › 917A139 › Aug › 91 › A/T - 4L60 Slipping or No 3rd/4th Gear
Fuel Delivery and Air Induction192 pages
- Fuel Pressure › System Information › Specifications2
- Fuel Pressure Release › System Information › Service and Repair
Idle Speed › System Information3 pages
- Accelerator Controls <--> [Accelerator Pedal] › Component Information › Locations23
Air Cleaner Housing › Air Filter Element › Component Information › Technical Service Bulletins6 pages
- Customer Interest: › 04-07-30-013B › Feb › 07 › Engine, A/T - Shift/Driveability Concerns/MIL ON2
- All Technical Service Bulletins: › 04-07-30-013B › Feb › 07 › Engine, A/T - Shift/Driveability Concerns/MIL ON2
- All Other Service Bulletins for Air Filter Element: › 937A18 › Oct › 92 › A/T - Buzzing Noise at Idle2
- All Other Service Bulletins for Air Filter Element: › 937A18 › Oct › 92 › A/T - Buzzing Noise at Idle
- Air Temperature Switch, Diesel › Component Information › Locations
- Cold Start Solenoid (For Injection Pump) › Cold Start Solenoid Relay › Component Information › Locations
- Diesel MFI Pump › Component Information › Locations2
- Fuel › Component Information › Technical Service Bulletins › Fuel System - TOP TIER Detergent Gasoline (Canada)23456
- Fuel Filler Cap › Component Information › Locations
- Fuel Filter › Fuel Pressure Release › System Information › Service and Repair
- Fuel Heater › Component Information › Locations
- Fuel Injector › Fuel Injector Wiring Harness › Component Information › Technical Service Bulletins › Fuel Injector - Wires Trapped Installing Air Cleaner
- Fuel Pressure Regulator › Component Information › Description and Operation
- Fuel Return Line › Component Information › Description and Operation23
- Fuel Shut-off Solenoid › Component Information › Locations
- Fuel Supply Line › Component Information › Description and Operation23
- Engine Speed Governor Control Module › Component Information › Technical Service Bulletins › PROM - Hot Restart Driveaway Sag/Low Power23
- Idle Speed/Throttle Actuator - Mechanical › Component Information › Locations
- Oil Pressure Switch (For Fuel Pump) › Component Information › Locations234
Relays and Modules - Fuel Delivery and Air Induction49 pages
Sensors and Switches - Fuel Delivery and Air Induction22 pages
- Air Temperature Switch, Diesel › Component Information › Locations
- Oil Pressure Switch (For Fuel Pump) › Component Information › Locations234
Throttle Position Sensor › Component Information › Technical Service Bulletins17 pages
- Recalls: › 916E14 › Aug › 91 › Campaign - TPS Inspection/Replacement23
All Technical Service Bulletins:4 pages
All Other Service Bulletins for Throttle Position Sensor:10 pages
All Other Service Bulletins for Throttle Position Sensor:0 pages
- 07-06-01-016B › Jul › 09 › Engine - Noise/Damage Oil Filter Application Importance
- 376105A › Oct › 95 › Engine - Cold Knock, Replace Oil Filter/Bearings/PROM
- 476118 › Jun › 94 › Oil Filters - Enhanced Anti-Drainback Valves
Throttle Body › Component Information7 pages
- Throttle Cable/Linkage › Component Information › Locations234
Throttle Position Sensor › Component Information › Technical Service Bulletins8 pages
- Recalls: › 916E14 › Aug › 91 › Campaign - TPS Inspection/Replacement23
All Technical Service Bulletins for Throttle Position Sensor:4 pages
- All Other Service Bulletins for Throttle Position Sensor: › 926E12A › Apr › 92 › Engine Controls - Service Engine Soon Light, DTC 22-TPS
Ignition System53 pages
- Firing Order › Component Information › Specifications › Ignition Firing Order
- Ignition Timing › Number One Cylinder › Component Information › Locations › Number 1 Cylinder Location
- Distributor, Ignition › Component Information › Specifications23
- Electronic Spark Timing <--> [Electronic Spark Control Module] › Component Information › Description and Operation23
Spark Plug Wire <--> [Ignition Cable] › Component Information › Technical Service Bulletins2 pages
- Ignition Coil › Component Information › Locations2345678
- Ignition Control Module › Component Information › Locations › Electronic Ignition Module2345
- Knock Sensor › Component Information › Locations › Electronic Spark Control Module2345678
- Pick-Up Coil, Ignition › Component Information › Locations
- Sensors and Switches - Ignition System › Knock Sensor › Component Information › Locations › Electronic Spark Control Module2345678
Spark Plug › Component Information4 pages
- Tachometer Connector › Component Information › Locations
Transmission Control Systems117 pages
Actuators and Solenoids - Transmission and Drivetrain75 pages
Actuators and Solenoids - A/T9 pages
- Pressure Control Solenoid (PCS) <--> [Pressure Regulating Solenoid, A/T] › Component Information › Technical Service Bulletins › A/T - Holley Variable Pressure Control Solenoid2
Shift Solenoid, A/T › Component Information5 pages
Torque Converter Clutch Solenoid, A/T › Component Information › Technical Service Bulletins2 pages
Actuators and Solenoids - Differential43 pages
Actuator, Differential Lock › Component Information › Technical Service Bulletins32 pages
- Customer Interest: › 76-43-01A › Sep › 98 › Drivetrain - Slow Or No Engagement of Front Axle2345678910
- All Technical Service Bulletins: › 937A18 › Oct › 92 › A/T - Buzzing Noise at Idle2
- All Other Service Bulletins for Actuator: › 937A18 › Oct › 92 › Customer Interest for Actuator: › 76-43-01A › Sep › 98 › Drivetrain - Slow Or No Engagement of Front Axle2345678910
- All Other Service Bulletins for Fluid Pressure Sensor/Switch: › 76-43-01A › Sep › 98 › Drivetrain - Slow Or No Engagement of Front Axle2345678910
- Solenoid, Differential Lock › Component Information › Specifications234567891011
- Relays and Modules - Transmission and Drivetrain › Relays and Modules - Transfer Case › Four Wheel Drive Selector Relay › Component Information › Locations
Sensors and Switches - Transmission and Drivetrain41 pages
Sensors and Switches - A/T17 pages
Fluid Pressure Sensor/Switch, A/T › Component Information › Technical Service Bulletins4 pages
- Transmission Position Switch/Sensor, A/T › Component Information › Description and Operation › Park Neutral Switch2
Transmission Speed Sensor, A/T › Component Information10 pages
- Transmission Temperature Sensor/Switch, A/T › Component Information › Specifications
Sensors and Switches - Differential2 pages
Sensors and Switches - Transfer Case22 pages
Four Wheel Drive Selector Switch › Component Information › Technical Service Bulletins20 pages
- Gear Sensor/Switch, Transfer Case › Component Information › Locations
- Speed Sensor, Transfer Case › Component Information › Technical Service Bulletins › Drivetrain - Updated Transfer Case Speed Sensor Conn.
PROM - Programmable Read Only Memory › Component Information89 pages
Technical Service Bulletins48 pages
Customer Interest:19 pages
All Technical Service Bulletins for PROM - Programmable Read Only Memory:24 pages
- 99-06-04-053 › Nov › 99 › PROM - Powertrain Control Module Reprogramming
- 376105A › Oct › 95 › Engine - Cold Knock, Replace Oil Filter/Bearings/PROM2345678
- 376519B › Jul › 94 › PROM - Hot Restart Driveaway Sag/Low Power23
- 927B149A › Aug › 93 › M/T - Neutral Gear Rattle, Replace Prom, Clutch & Pilot23
- 927A102 › Jul › 92 › PROM - Lack of Power/Transmission Hot Mode23456
- 917A136 › Aug › 91 › A/T - 4L80/4L80-EHD Delayed Shifts In Low Gear2
- 916D113 › Jul › 91 › ECM/PCM - Installation Procedures/Mem-Cal Concerns
All Other Service Bulletins for PROM - Programmable Read Only Memory:5 pages
- Description and Operation › CALPAK2345
- Service and Repair › CALPAK2345