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Repair manual

Engine Controls - Self Diagnostics - 8.1l Chevrolet Suburban K2500 GMT800

Step-by-step instructions on "Engine Controls - Self Diagnostics - 8.1l" for Chevrolet Suburban K2500 GMT800 (2000–2006). Pick an article — removal, installation, adjustment and diagnostics with illustrations.

130subsections
130articles
221illustrations

MODEL IDENTIFICATION

1 article

INTRODUCTION

1 article

ON-BOARD DIAGNOSTICS

1 article

Code Types

1 article

Freeze Frame/Failure Records

1 article

Monitors

1 article

INTERMITTENT CONDITIONS

1 article

Preliminary

1 article

Harness or Connector Intermittents

1 article

Electrical Connections or Wiring

1 article

Control Module Power & Grounds, & Component Power & Grounds

1 article

Temperature Sensitivity

1 article

Electromagnetic Interference (EMI) and Electrical Noise

1 article

Incorrect PCM Programming

1 article

Duplicating Failure Conditions

1 article

Scan Tool Snapshot

1 article

Vehicle Data Recorder

1 article

DIAGNOSTIC STARTING POINT - ENGINE CONTROLS

1 article

Description

1 article

Test Description

1 article

Diagnostic Procedure

1 article

RETRIEVING DIAGNOSTIC TROUBLE CODES

1 article

CLEARING DIAGNOSTIC TROUBLE CODES

1 article

Scan Tool

1 article

Disconnect Battery

1 article

Warm-up Cycles

1 article

POWERTRAIN CONTROL MODULE LOCATION

1 article

CRANKSHAFT POSITION SENSOR

1 article

ENGINE OIL LIFE RESET

1 article

POWERTRAIN CONTROL MODULE

1 article

Remote Programming

1 article

Off-Board Remote Programming

1 article

Off-Board Pass-Thru Programming

1 article

Pass-Thru Programming

1 article

THEFT DETERRENT PASSWORD LEARN PROCEDURE

1 article

10-Minute Learn Procedure

1 article

30-Minute Learn Procedure

1 article

DRIVE CYCLES

1 article

Conditions for Updating I/M System Status

1 article

Monitored Emission Control Systems

1 article

Procedure

1 article

Diagnostic Aids

1 article

Conditions for Running

1 article

SUMMARY

1 article

DIAGNOSTIC TROUBLE CODE DEFINITIONS

1 article

MALFUNCTION INDICATOR LAMP

1 article

DIAGNOSTIC TESTS

1 article

DTC P0101: MASS AIR FLOW SENSOR PERFORMANCE

1 article

Conditions For Running DTC

1 article

Conditions For Setting DTC

1 article

Action Taken When DTC Sets

1 article

Conditions For Clearing MIL/DTC

1 article

DTC P0102: MASS AIR FLOW SENSOR CIRCUIT - LOW FREQUENCY

1 article

DTC P0103: MASS AIR FLOW SENSOR CIRCUIT - HIGH FREQUENCY

1 article

DTC P0106: MAP SYSTEM PERFORMANCE

1 article

DTC P0107: MAP SENSOR CIRCUIT - LOW VOLTAGE

1 article

DTC P0108: MAP SENSOR CIRCUIT - HIGH VOLTAGE

1 article

DTC P0112: IAT SENSOR CIRCUIT - LOW VOLTAGE

1 article

DTC P0113: IAT SENSOR CIRCUIT - HIGH VOLTAGE

1 article

DTC P0116: ECT SENSOR PERFORMANCE (SIERRA & SILVERADO)

1 article

DTC P0116: ECT SENSOR PERFORMANCE (AVALANCHE, SUBURBAN & YUKON XL)

1 article

DTC P0117: ECT SENSOR CIRCUIT - LOW VOLTAGE

1 article

Conditions For Clearing MIL or DTC

1 article

DTC P0118: ECT SENSOR CIRCUIT - HIGH VOLTAGE

1 article

DTC P0120: TP SENSOR CIRCUIT

1 article

DTC P0125: EXCESSIVE TIME TO ENTER CLOSED LOOP FUEL CONTROL (SIERRA & SILVERADO)

1 article

DTC P0128: ECT LESS THAN THERMOSTAT REGULATING TEMPERATURE (SIERRA & SILVERADO)

1 article

DTC P0131: HO2S CIRCUIT - LOW VOLTAGE - BANK 1, SENSOR 1 & DTC P0151: HO2S CIRCUIT - LOW VOLTAGE - BANK 2, SENSOR 1

1 article

DTC P0132: HO2S CIRCUIT - HIGH VOLTAGE - BANK 1, SENSOR 1 & DTC P0152: HO2S CIRCUIT - HIGH VOLTAGE - BANK 2, SENSOR 1

1 article

DTC P0133: HO2S CIRCUIT - SLOW RESPONSE - BANK 1, SENSOR 1 & DTC P0153: HO2S CIRCUIT - SLOW RESPONSE - BANK 2, SENSOR 1

1 article

DTC P0134 & P0154: HO2S CIRCUIT - INSUFFICIENT ACTIVITY - BANK 1 & 2, SENSOR 1

1 article

DTC P0135: HO2S HEATER CIRCUIT - BANK 1, SENSOR 1, DTC P0141: HO2S HEATER CIRCUIT - BANK 1, SENSOR 2, DTC P0155: HO2S HEATER CIRCUIT - BANK 2, SENSOR 1 & DTC P0161: HO2S HEATER CIR

1 article

DTC P0137: HO2S CIRCUIT - LOW VOLTAGE - BANK 1, SENSOR 2 & DTC P0157: HO2S CIRCUIT - LOW VOLTAGE - BANK 2, SENSOR 2

1 article

DTC P0138: HO2S CIRCUIT - HIGH VOLTAGE - BANK 1, SENSOR 2 & DTC P0158: HO2S CIRCUIT - HIGH VOLTAGE - BANK 2, SENSOR 2

1 article

DTC P0140: HO2S CIRCUIT - INSUFFICIENT ACTIVITY - BANK 1, SENSOR 2 & DTC P0160: HO2S CIRCUIT - INSUFFICIENT ACTIVITY - BANK 2, SENSOR 2

1 article

DTC P0171: FUEL TRIM SYSTEM LEAN - BANK 1 & DTC P0174: FUEL TRIM SYSTEM LEAN - BANK 2

1 article

DTC P0172: FUEL TRIM SYSTEM RICH - BANK 1 & DTC P0175: FUEL TRIM SYSTEM RICH - BANK 2

1 article

DTC P0200: FUEL INJECTOR CONTROL CIRCUIT

1 article

DTC P0220: THROTTLE POSITION SENSOR 2 CIRCUIT

1 article

DTC P0230: FUEL PUMP CONTROL RELAY CIRCUIT

1 article

DTC P0300: ENGINE MISFIRE DETECTED

1 article

DTC P0325: KNOCK SENSOR MODULE CIRCUIT

1 article

DTC P0327: KNOCK SENSOR CIRCUIT - LOW VOLTAGE - SENSOR 1 & DTC P0332: KNOCK SENSOR CIRCUIT - LOW VOLTAGE - SENSOR 2

1 article

DTC P0335: CRANKSHAFT POSITION SENSOR CIRCUIT

1 article

DTC P0336: CRANKSHAFT POSITION SENSOR CIRCUIT PERFORMANCE

1 article

DTC P0341: CAMSHAFT POSITION SENSOR CIRCUIT PERFORMANCE

1 article

DTC P0342: CAMSHAFT POSITION SENSOR SIGNAL LOW

1 article

DTC P0343: CAMSHAFT POSITION SENSOR SIGNAL HIGH

1 article

DTC P0351-P0358: IGNITION CONTROL CIRCUIT

1 article

DTC P0420: : TWC SYSTEM - LOW EFFICIENCY - BANK 1 & DTC P0430: TWC SYSTEM - LOW EFFICIENCY - BANK 2

1 article

DTC P0442: EVAP SYSTEM - SMALL LEAK

1 article

DTC P0443: EVAP PURGE SOLENOID CONTROL CIRCUIT

1 article

DTC P0446: EVAP VENT VALVE PERFORMANCE

1 article

DTC P0449: EVAP VENT VALVE PERFORMANCE

1 article

DTC P0452: FUEL TANK PRESSURE SENSOR - LOW VOLTAGE

1 article

DTC P0453: FUEL TANK PRESSURE SENSOR - HIGH VOLTAGE

1 article

DTC P0455: EVAP SYSTEM LEAK DETECTED - GROSS LEAK/NO FLOW

1 article

DTC P0496: EVAP SYSTEM HIGH PURGE FLOW

1 article

DTC P0506: IDLE CONTROL SYSTEM - RPM LOW & DTC P0507: IDLE CONTROL SYSTEM - RPM HIGH

1 article

DTC P0601-P0607, P1600, P1621, P1627, P1680, P1681, P1683 & P2610: PCM MEMORY

1 article

DTC P0650: MALFUNCTION INDICATOR LAMP CONTROL CIRCUIT

1 article

Action Take When DTC Sets

1 article

Conditions For Clearing DTC

1 article

DTC P1111: INTAKE AIR TEMPERATURE SENSOR CIRCUIT - INTERMITTENT HIGH VOLTAGE

1 article

DTC P1112: INTAKE AIR TEMPERATURE SENSOR CIRCUIT - INTERMITTENT LOW VOLTAGE

1 article

DTC P1114: ENGINE COOLANT TEMPERATURE SENSOR CIRCUIT - INTERMITTENT LOW VOLTAGE

1 article

DTC P1115: ENGINE COOLANT TEMPERATURE SENSOR CIRCUIT - INTERMITTENT HIGH VOLTAGE

1 article

DTC P1125: ACCELERATOR PEDAL POSITION SENSORS OUT OF RANGE OR DISAGREE

1 article

DTC P1133: HO2S CIRCUIT - INSUFFICIENT SWITCHING - BANK 1, SENSOR 1 & DTC P1153: HO2S CIRCUIT - INSUFFICIENT SWITCHING - BANK 2, SENSOR 1

1 article

DTC P1172: SECONDARY FUEL PUMP TRANSFER MALFUNCTION

1 article

DTC P1258

1 article

DTC P1380: EBCM DTC DETECTED ROUGH ROAD DATA UNSTABLE

1 article

DTC P1381: MISFIRE DETECTED - NO EBCM/PCM SERIAL DATA

1 article

DTC P1404: EGR VALVE CLOSED PINTLE POSITION

1 article

DTC P1514: AIRFLOW RATE EXCESSIVE

1 article

DTC P1515: PREDICTED VS ACTUAL THROTTLE POSITION CORRELATION ERROR

1 article

DTC P1516: PREDICTED VS ACTUAL THROTTLE POSITION CORRELATION ERROR

1 article

DTC P1518: THROTTLE ACTUATOR CONTROL MODULE SERIAL DATA FAULT

1 article

DTC P2108: THROTTLE ACTUATOR CONTROL MODULE CIRCUIT FAULT

1 article

DTC P2120: APP SENSOR 1 SIGNAL OR APP SENSOR 5-VOLT REFERENCE OUT OF RANGE

1 article

DTC P2121: APP SENSOR 1 SIGNAL AND APP SENSOR 2 SIGNAL CIRCUITS OUT OF CORRELATION

1 article

DTC P2125: APP SENSOR 2 SIGNAL OR APP SENSOR 5-VOLT REFERENCE OUT OF RANGE

1 article

DTC P2135: TP SENSORS NO. 1 & 2 SIGNALS DISAGREE OR SIGNAL VOLTAGES OUT OF RANGE

1 article

AVALANCHE

1 article

SIERRA 2500HD

1 article

SIERRA 3500

1 article

SILVERADO 2500HD

1 article

SILVERADO 3500

1 article

SUBURBAN

1 article

YUKON XL

1 article