GM Service Manual Online
For 1990-2009 cars only
Makes
🢒
GMC_Truck
🢒
1999
🢒
GMC K Sierra - 4WD
🢒
Engine
🢒 Engine Controls - 4.8L, 5.3L, and 6.0L
Engine
All Component Locator
Engine Controls Component Views
Engine Controls Components
All Description and Operation
Air Intake System Description
Crankcase Ventilation System Description
Electronic Ignition (EI) System Description
Evaporative Emission Control System Operation Description
Exhaust Gas Recirculation (EGR) System Description
Fuel Metering Modes of Operation
Fuel Metering System Component Description
Fuel Supply Component Description
Information Sensors/Switches Description
Knock Sensor (KS) System Description
Long Term Fuel Trim Description
Powertrain Control Module Controlled Air Conditioning Description
Powertrain Control Module Description
Secondary Air Injection System Description
Short Term Fuel Trim Description
Speed Density System Description
All Special Tools and Equipment
Special Tools
All Visual Identification
Engine Controls Connector End Views
Powertrain Control Module Connector End Views
Cleaning, Inspection, and Adjustment
Crankshaft Position System Variation Learn
Engine Oil Life Monitor Reset
Evaporative Emission System Cleaning
Exhaust Gas Recirculation (EGR) System Cleaning
Fuel System Cleaning
Idle Learn
Throttle Body Cleaning
Diagnostic Procedures
Air Conditioning (A/C) Recirculation Door Control Circuit Diagnosis
Alcohol/Contaminants-in-Fuel Diagnosis
Backfire
Cruise Control Engage Circuit Diagnosis
Cuts Out, Misses
Data Link Connector Diagnosis
Detonation/Spark Knock
Dieseling, Run-On
Electronic Ignition (EI) System Diagnosis
Engine Coolant Level Switch/Sensor Diagnosis
Engine Coolant Temperature Gauge Inaccurate Diagnosis
Engine Cranks But Does Not Run
Engine Oil Level Sensor and/or Switch Diagnosis
Engine Speed Output Circuit Diagnosis
Front Axle Switch Circuit Diagnosis
Fuel Gauge Inaccurate Diagnosis
Fuel Injector Balance Test with Special Tool
Fuel Injector Balance Test with Tech 2
Fuel Injector Solenoid Coil Test - Engine Coolant Temperature Between 10-35 Degrees C (50-95 Degrees F)
Fuel Injector Solenoid Coil Test - Engine Coolant Temperature Outside 10-35 Degrees C (50-95 Degrees F)
Fuel Pump Electrical Circuit Diagnosis
Fuel System Diagnosis
Fuel Tank Leak Check
Hard Start
Hesitation, Sag, Stumble
Ignition Relay Diagnosis
Inspection/Maintenance Status Resetting
Lack of Power, Sluggishness, or Sponginess
Poor Fuel Economy
Poor Fuel Fill Quality
Powertrain Control Module Controlled Air Conditioning (A/C) Circuit Diagnosis
Powertrain Control Module Controlled Generator Diagnosis
Powertrain On Board Diagnostic (OBD) System Check
Restricted Exhaust System Check
Rough, Unstable, or Incorrect Idle and Stalling
Service Bay Test
Surges/Chuggles
Symptoms
Transmission Range Switch Circuit Diagnosis
Vehicle Speed Output Circuit Diagnosis
Diagnostic Trouble Codes
DTC P0101 Mass Air Flow (MAF) Sensor Performance
DTC P0102 Mass Air Flow (MAF) Sensor Circuit Low Frequency
DTC P0103 Mass Air Flow (MAF) Sensor Circuit High Frequency
DTC P0107 Manifold Absolute Pressure (MAP) Sensor Circuit Low Voltage
DTC P0108 Manifold Absolute Pressure (MAP) Sensor Circuit High Voltage
DTC P0112 Intake Air Temperature (IAT) Sensor Circuit Low Voltage
DTC P0113 Intake Air Temperature (IAT) Sensor Circuit High Voltage
DTC P0117 Engine Coolant Temperature (ECT) Sensor Circuit Low Voltage
DTC P0118 Engine Coolant Temperature (ECT) Sensor Circuit High Voltage
DTC P0121 TP Sensor Circuit Insufficient Activity
DTC P0122 Throttle Position (TP) Sensor Circuit Low Voltage
DTC P0123 Throttle Position (TP)Sensor Circuit High Voltage
DTC P0125 Engine Coolant Temperature (ECT) Insufficient for Closed Loop Fuel Control
DTC P0131 HO2S Circuit Low Voltage Bank 1 Sensor 1
DTC P0132 HO2S Circuit High Voltage Bank 1 Sensor 1
DTC P0133 HO2S Slow Response Bank 1 Sensor 1
DTC P0134 HO2S Circuit Insufficient Activity Bank 1 Sensor 1
DTC P0135 HO2S Heater Performance Bank 1 Sensor 1
DTC P0137 HO2S Circuit Low Voltage Bank 1 Sensor 2
DTC P0138 HO2S Circuit High Voltage Bank 1 Sensor 2
DTC P0140 HO2S Circuit Insufficient Activity Bank 1 Sensor 2
DTC P0141 HO2S Heater Performance Bank 1 Sensor 2
DTC P0151 HO2S Circuit Low Voltage Bank 2 Sensor 1
DTC P0152 HO2S Circuit High Voltage Bank 2 Sensor 1
DTC P0153 HO2S Slow Response Bank 2 Sensor 1
DTC P0154 HO2S Circuit Insufficient Activity Bank 2 Sensor 1
DTC P0155 HO2S Heater Performance Bank 2 Sensor 1
DTC P0157 HO2S Circuit Low Voltage Bank 2 Sensor 2
DTC P0158 HO2S Circuit High Voltage Bank 2 Sensor 2
DTC P0160 HO2S Circuit Insufficient Activity Bank 2 Sensor 2
DTC P0161 HO2S Heater Performance Bank 2 Sensor 2
DTC P0171 Fuel Trim System Lean Bank 1
DTC P0172 Fuel Trim System Rich Bank 1
DTC P0174 Fuel Trim System Lean Bank 2
DTC P0175 Fuel Trim System Rich Bank 2
DTC P0200 Injector Control Circuit
DTC P0230 Fuel Pump Relay Control Circuit
DTC P0300 Engine Misfire Detected
DTC P0325 Knock Sensor Module Performance
DTC P0327 Knock Sensor (KS) 1 Circuit
DTC P0332 Knock Sensor (KS) 2 Circuit
DTC P0335 Crankshaft Position (CKP) Sensor Circuit
DTC P0336 Crankshaft Position (CKP) Sensor Performance
DTC P0341 Camshaft Position (CMP) Sensor Performance
DTC P0342 Camshaft Position (CMP) Sensor Circuit Low Voltage
DTC P0343 Camshaft Position (CMP) Sensor Circuit High Voltage
DTC P0351 Ignition Coil 1 Control Circuit
DTC P0352 Ignition Coil 2 Control Circuit
DTC P0353 Ignition Coil 3 Control Circuit
DTC P0354 Ignition Coil 4 Control Circuit
DTC P0355 Ignition Coil 5 Control Circuit
DTC P0356 Ignition Coil 6 Control Circuit
DTC P0357 Ignition Coil 7 Control Circuit
DTC P0358 Ignition Coil 8 Control Circuit
DTC P0401 Exhaust Gas Recirculation (EGR) Flow Insufficient
DTC P0404 Exhaust Gas Recirculation (EGR) Open Position Performance
DTC P0405 Exhaust Gas Recirculation (EGR) Position Sensor Circuit Low Voltage
DTC P0410 Secondary Air Injection (AIR) System
DTC P0418 Secondary Air Injection (AIR) Pump Relay Control Circuit
DTC P0420 Catalyst System Low Efficiency Bank 1
DTC P0430 Catalyst System Low Efficiency Bank 2
DTC P0440 Evaporative Emission (EVAP) System
DTC P0442 Evaporative Emission (EVAP) System Small Leak Detected
DTC P0443 Evaporative Emission (EVAP) Purge Solenoid Control Circuit
DTC P0446 Evaporative Emission (EVAP) Vent System Performance
DTC P0449 Evaporative Emission (EVAP) Vent Solenoid Control Circuit
DTC P0452 Fuel Tank Pressure Sensor Circuit Low Voltage
DTC P0453 Fuel Tank Pressure Sensor Circuit High Voltage
DTC P0461 Fuel Level Sensor Performance
DTC P0462 Fuel Level Sensor Circuit Low Voltage
DTC P0463 Fuel Level Sensor Circuit High Voltage
DTC P0500 Vehicle Speed Sensor (VSS) Circuit
DTC P0506 Idle Speed Low
DTC P0507 Idle Speed High
DTC P0562 System Voltage Low
DTC P0563 System Voltage High
DTC P0601 Control Module Read Only Memory (ROM)
DTC P0602 Control Module Not Programmed
DTC P0604 Control Module Random Access Memory (RAM)
DTC P0608 Vehicle Speed Output Circuit
DTC P0650 Malfunction Indicator Lamp (MIL) Control Circuit
DTC P0654 Engine Speed Output Circuit
DTC P0704 Clutch Switch Circuit
DTC P0705 Trans Range Switch Circuit
DTC P0706 Trans Range Switch Performance
DTC P1111 Intake Air Temperature (IAT) Sensor Circuit Intermittent High Voltage
DTC P1112 Intake Air Temperature (IAT) Sensor Circuit Intermittent Low Voltage
DTC P1114 Engine Coolant Temperature (ECT) Sensor Circuit Intermittent Low Voltage
DTC P1115 Engine Coolant Temperature (ECT) Sensor Circuit Intermittent High Voltage
DTC P1121 Throttle Position (TP) Sensor Circuit Intermittent High Voltage
DTC P1122 Throttle Position (TP) Sensor Circuit Intermittent Low Voltage
DTC P1133 HO2S Insufficient Switching Bank 1 Sensor 1
DTC P1134 HO2S Transition Time Ratio Bank 1 Sensor 1
DTC P1153 HO2S Insufficient Switching Bank 2 Sensor 1
DTC P1154 HO2S Transition Time Ratio Bank 2 Sensor 1
DTC P1258 Engine Coolant Overtemperature - Protection Mode Active
DTC P1336 Crankshaft Position (CKP) System Variation Not Learned
DTC P1380 Misfire Detected - Rough Road Data Not Available
DTC P1381 Misfire Detected - No Communication with Brake Control Module
DTC P1404 Exhaust Gas Recirculation (EGR) Closed Position Performance
DTC P1415 Secondary Air Injection (AIR) System Bank 1
DTC P1416 Secondary Air Injection (AIR) System Bank 2
DTC P1441 Evaporative Emission (EVAP) System Flow During Non-Purge
DTC P1626 Theft Deterrent Fuel Enable Signal Lost
DTC P1631 Theft Deterrent Start Enable Signal Not Correct
DTC P1635 5 Volt Reference 1 Circuit
DTC P1637 Generator L-Terminal Circuit
DTC P1639 5 Volt Reference 2 Circuit
DTC U1026 Loss of ATC Class 2 Communication
DTC U1041 Loss of EBCM Communication
DTC U1064 Loss of BCM and/or VTD Communication
DTC U1300 Class 2 Communication CKT Low Voltage
DTC U1301 Class 2 Communication CKT High Voltage
Electrical/Electronic Schematic Diagrams
Engine Controls Schematic Icons
Engine Controls Schematic References
Engine Controls Schematics
Electrical/Electronic Specifications
Temperature Versus Resistance
Gas, Vacuum and Fluids Schematics and Diagrams
Emission Hose Routing Diagram
Mechanical Specifications
Fastener Tightening Specifications
Other Specifications
Diagnostic Trouble Code (DTC) List
Engine Scan Tool Data Definitions
Engine Scan Tool Data List
Fuel System Specifications
GM SPO Group Numbers
Removal, Installation, and Replacement
Accelerator Control Cable Replacement
Accelerator Pedal Replacement
Air Cleaner Assembly Replacement
Air Cleaner Element Replacement
Camshaft Position Sensor Replacement
Crankshaft Position Sensor Replacement
Engine Coolant Temperature Sensor Replacement
Evaporative Emission Canister Purge Solenoid Valve Replacement
Evaporative Emission Canister Replacement
Evaporative Emission Vent Valve Replacement
Exhaust Gas Recirculation Pipe Replacement
Exhaust Gas Recirculation Valve Replacement
Filler Tube Replacement
Fuel Hose/Pipes Assembly Replacement
Fuel Hose/Pipes Replacement - Chassis
Fuel Hose/Pipes Replacement - Engine Compartment
Fuel Injection Fuel Rail Assembly Replacement
Fuel Injection Fuel Rail Crossover Tube Replacement
Fuel Injector Replacement
Fuel Level Sensor Replacement
Fuel Pressure Regulator Replacement
Fuel Pressure Relief
Fuel Pressure Service Valve Replacement
Fuel Pump Relay Replacement
Fuel Pump Strainer Replacement
Fuel Rail Outlet Pipe Replacement
Fuel Sender Assembly Replacement
Fuel Tank Draining
Fuel Tank Filler Hose Replacement
Fuel Tank Fuel Pump Module Replacement
Fuel Tank Pressure Sensor Replacement
Fuel Tank Replacement
Heated Oxygen Sensor Replacement - Bank 1
Heated Oxygen Sensor Replacement - Bank 2
Idle Air Control Valve Replacement
In-Line Fuel Filter Replacement
Knock Sensor Replacement
Manifold Absolute Pressure Sensor Replacement
Mass Airflow Sensor with Intake Air Temperature Sensor Replacement
Metal Collar Quick Connect Fitting Service
Plastic Collar Quick Connect Fitting Service
Powertrain Control Module Replacement/Programming
Secondary Air Injection Check Valve and Check Valve Pipe Replacement - Bank 1
Secondary Air Injection Check Valve and Check Valve Pipe Replacement - Bank 2
Secondary Air Injection Pump Relay Replacement
Secondary Air Injection Pump Replacement
Secondary Air Injection Shutoff Valve Replacement
Secondary Air Injection Solenoid Valve Replacement
Throttle Body Assembly Replacement
Throttle Position Sensor Replacement