PCM LOCATION
PCM is located behind right side of dash, above blower motor.
Home/Chevrolet/Tahoe/Chevrolet Tahoe I (1995-1999)/Repair manual/Testing & Diagnostics/Engine Controls - Tests W/codes - 6.5L: Component Locations
Contents
Wiring diagrams Section: Testing & Diagnostics- Engine Controls - Basic Diagnostic Procedures - 5.7L: Overview
- Engine Controls - Basic Diagnostic Procedures - 5.7L: Diagnosis
- Engine Controls - Basic Diagnostic Procedures - 5.7L: Other
- Engine Controls - Basic Diagnostic Procedures - 6.5L Diesel: Diagnosis
- Engine Controls - Basic Diagnostic Procedures - 6.5L Diesel: Other
- Engine Controls - Tests W/codes - 5.7L: Overview
- Engine Controls - Tests W/codes - 5.7L: Diagnosis
- Engine Controls - Tests W/codes - 5.7L: Component Locations
- Engine Controls - Tests W/codes - 5.7L: Other
- DTC P0101 - MAF SENSOR SYSTEM PERFORMANCE
- DTC P0102 - MAF SENSOR CIRCUIT LOW FREQUENCY
- DTC P0103 - MAF SENSOR CIRCUIT HIGH FREQUENCY
- DTC P0106 - MAP SENSOR SYSTEM PERFORMANCE
- DTC P0107 - MAP SENSOR CIRCUIT LOW VOLTAGE
- DTC P0108 - MAP SENSOR CIRCUIT HIGH VOLTAGE
- DTC P0112 - IAT SENSOR CIRCUIT VOLTAGE LOW
- DTC P0113 - IAT SENSOR CIRCUIT HIGH VOLTAGE
- DTC P0117 - ECT SENSOR CIRCUIT LOW VOLTAGE
- DTC P0118 - ECT SENSOR CIRCUIT HIGH VOLTAGE
- DTC P0121 - TP SENSOR SYSTEM PERFORMANCE
- DTC P0122 - TP SENSOR CIRCUIT LOW VOLTAGE
- DTC P0123 - TP SENSOR CIRCUIT HIGH VOLTAGE
- DTC P0125 - ECT EXCESSIVE TIME TO CLOSED LOOP
- 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 CIRCUIT 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 INSUFFICIENT ACTIVITY BANK 1, SENSOR 2
- DTC P0141 - HO2S HEATER CIRCUIT BANK 1, SENSOR 2
- DTC P0143 - HO2S CIRCUIT LOW VOLTAGE BANK 1, SENSOR 3
- DTC P0144 - HO2S CIRCUIT HIGH VOLTAGE BANK 1, SENSOR 3
- DTC P0146 - HO2S INSUFFICIENT ACTIVITY BANK 1, SENSOR 3
- DTC P0147 - HO2S HEATER CIRCUIT BANK 1, SENSOR 3
- 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 INSUFFICIENT ACTIVITY BANK 2, SENSOR 1
- DTC P0155 - HO2S HEATER CIRCUIT 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 INSUFFICIENT ACTIVITY BANK 2, SENSOR 2
- DTC P0161 - HO2S HEATER CIRCUIT 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 P0300 - MISFIRE DETECTED
- DTC P0301 - CYLINDER NO. 1 MISFIRE DETECTED
- DTC P0302 - CYLINDER NO. 2 MISFIRE DETECTED
- DTC P0303 - CYLINDER NO. 3 MISFIRE DETECTED
- DTC P0304 - CYLINDER NO. 4 MISFIRE DETECTED
- DTC P0305 - CYLINDER NO. 5 MISFIRE DETECTED
- DTC P0306 - CYLINDER NO. 6 MISFIRE DETECTED
- DTC P0307 - CYLINDER NO. 7 MISFIRE DETECTED
- DTC P0308 - CYLINDER NO. 8 MISFIRE DETECTED
- DTC P0325 - KNOCK SENSOR MODULE CIRCUIT
- DTC P0327 - KNOCK SENSOR CIRCUIT LOW VOLTAGE
- DTC P0336 - CRANKSHAFT POSITION SENSOR CIRCUIT PERFORMANCE
- DTC P0337 - CRANKSHAFT POSITION SENSOR CIRCUIT LOW FREQUENCY
- DTC P0338 - CRANKSHAFT POSITION SENSOR CIRCUIT HIGH FREQUENCY
- DTC P0339 - CRANKSHAFT POSITION SENSOR CIRCUIT INTERMITTENT
- DTC P0340 - CAMSHAFT POSITION SENSOR CIRCUIT
- DTC P0341 - CAMSHAFT POSITION SENSOR CMP) CIRCUIT PERFORMANCE
- DTC P0401 - EGR SYSTEM PERFORMANCE
- DTC P0410 - AIR INJECTION SYSTEM
- DTC P0420 - TWC SYSTEM LOW EFFICIENCY BANK 1
- DTC P0430 - TWC SYSTEM LOW EFFICIENCY BANK 2
- DTC P0441 - EVAP SYSTEM NO FLOW DURING PURGE
- DTC P0500 - VEHICLE SPEED SENSOR CIRCUIT
- DTC P0506 - IDLE SYSTEM LOW RPM (IAC RESPONDING)
- DTC P0507 - IDLE SYSTEM HIGH IDLE AIR CONTROL RESPONDING
- DTC P1106 - MAP SENSOR CIRCUIT INTERMITTENT HIGH VOLTAGE
- DTC P1107 - MAP SENSOR CIRCUIT INTERMITTENT LOW VOLTAGE
- DTC P1111 - IAT SENSOR CIRCUIT INTERMITTENT HIGH VOLTAGE
- DTC P1112 - IAT SENSOR CIRCUIT INTERMITTENT LOW VOLTAGE
- DTC P1114 - ECT SENSOR CIRCUIT INTERMITTENT LOW VOLTAGE
- DTC P1115 - ECT SENSOR CIRCUIT INTERMITTENT HIGH VOLTAGE
- DTC P1121 - TP SENSOR CIRCUIT INTERMITTENT HIGH VOLTAGE
- DTC P1122 - 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 P1345 - CRANKSHAFT/CAMSHAFT POSITION SENSOR CORRELATION
- DTC P1351 - IGNITION CONTROL (IC) CIRCUIT HIGH VOLTAGE
- DTC P1361 - IGNITION CONTROL (IC) CIRCUIT LOW VOLTAGE
- DTC P1380 - ELECTRONIC BRAKE CONTROL MODULE EBCM) DTC DETECTED ROUGH ROAD DATA UNUSABLE
- DTC P1380 - ELECTRONIC BRAKE CONTROL MODULE (EBCM) DTC DETECTED ROUGH ROAD DATA UNUSABLE
- DTC P1381 - ELECTRONIC BRAKE CONTROL MODULE (EBCM) VCM SERIAL DATA
- DTC P1406 - EGR VALVE PINTLE POSITION CIRCUIT
- DTC P1415 - AIR SYSTEM BANK 1
- DTC P1416 - AIR SYSTEM BANK 2
- DTC P1441 - EVAP EMISSION SYSTEM FLOW DURING NON-PURGE
- DTC P1508 - IDLE AIR CONTROL SYSTEM LOW RPM
- DTC P1509 - IDLE AIR CONTROL SYSTEM HIGH RPM
- Engine Controls - Tests W/codes - 6.5L: Overview
- Engine Controls - Tests W/codes - 6.5L: Diagnosis
- Engine Controls - Tests W/codes - 6.5L: Component Locations
- Engine Controls - Tests W/codes - 6.5L: Other
- DTC P0101 - MASS AIRFLOW SYSTEM PERFORMANCE
- DTC P0102 - MAF SENSOR CIRCUIT LOW FREQUENCY
- DTC P0103 - MAF SENSOR CIRCUIT HIGH FREQUENCY
- 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 - ACCELERATOR PEDAL POSITION (APP) SENSOR 1 CIRCUIT PERFORMANCE
- DTC P0122 - ACCELERATOR PEDAL POSITION (APP) SENSOR 1 CIRCUIT LOW VOLTAGE
- DTC P0123 - ACCELERATOR PEDAL POSITION (APP) SENSOR 1 CIRCUIT HIGH VOLTAGE
- DTC P0126 - INSUFFICIENT ECT FOR STABLE OPERATION
- DTC P0182 - FUEL TEMPERATURE SENSOR CIRCUIT LOW VOLTAGE
- DTC P0183 - FUEL TEMPERATURE SENSOR CIRCUIT HIGH VOLTAGE
- DTC P0215 - ENGINE SHUTOFF SOLENOID CONTROL CIRCUIT
- DTC P0216 - INJECTION TIMING CONTROL SYSTEM
- DTC P0219 - ENGINE OVERSPEED CONDITION
- DTC P0220 - ACCELERATOR PEDAL POSITION (APP) SENSOR 2 CIRCUIT
- DTC P0221 - ACCELERATOR PEDAL POSITION (APP) SENSOR 2 CIRCUIT PERFORMANCE
- DTC P0222 - ACCELERATOR PEDAL POSITION (APP) SENSOR 2 CIRCUIT LOW VOLTAGE
- DTC P0223 - ACCELERATOR PEDAL POSITION (APP) SENSOR 2 CIRCUIT HIGH VOLTAGE
- DTC P0225 - ACCELERATOR PEDAL POSITION (APP) SENSOR 3 CIRCUIT
- DTC P0226 - ACCELERATOR PEDAL POSITION (APP) SENSOR 3 CIRCUIT PERFORMANCE
- DTC P0227 - ACCELERATOR PEDAL POSITION (APP) SENSOR 3 CIRCUIT LOW VOLTAGE
- DTC P0228 - ACCELERATOR PEDAL POSITION (APP) SENSOR 3 CIRCUIT HIGH VOLTAGE
- DTC P0236 - TURBOCHARGER BOOST SYSTEM
- DTC P0237 - TURBOCHARGER BOOST SENSOR CIRCUIT LOW VOLTAGE
- DTC P0238 - TURBOCHARGER BOOST SENSOR CIRCUIT HIGH VOLTAGE
- DTC P0251 - INJECTION PUMP CAM SYSTEM
- DTC P0263 - CYLINDER NO. 1 BALANCE SYSTEM
- DTC P0266 - CYLINDER NO. 2 BALANCE SYSTEM
- DTC P0269 - CYLINDER NO. 3 BALANCE SYSTEM
- DTC P0272 - CYLINDER NO. 4 BALANCE SYSTEM
- DTC P0275 - CYLINDER NO. 5 BALANCE SYSTEM
- DTC P0278 - CYLINDER NO. 6 BALANCE SYSTEM
- DTC P0281 - CYLINDER NO. 7 BALANCE SYSTEM
- DTC P0284 - CYLINDER NO. 8 BALANCE SYSTEM
- DTC P0335 - CRANKSHAFT POSITION (CKP) SENSOR CIRCUIT PERFORMANCE
- DTC P0370 - TIMING REFERENCE HIGH RESOLUTION
- DTC P0401 - EGR SYSTEM FLOW INSUFFICIENT
- DTC P0402 - EGR SYSTEM FLOW EXCESSIVE
- DTC P0404 - EGR SYSTEM PERFORMANCE
- DTC P0405 - EGR SENSOR CIRCUIT LOW VOLTAGE
- DTC P0406 - EGR SENSOR CIRCUIT HIGH VOLTAGE
- DTC P0567 - CRUISE RESUME CIRCUIT
- DTC P0568 - CRUISE SET CIRCUIT
- DTC P0571 - CRUISE BRAKE SWITCH CIRCUIT
- DTC P1125 - ACCELERATOR PEDAL POSITION (APP) SYSTEM
- DTC P1191 - INTAKE AIR DUCT LEAK
- DTC P1214 - INJECTION TIMING OFFSET ERROR
- DTC P1216 - FUEL SOLENOID RESPONSE TIME TOO SHORT
- DTC P1217 - FUEL SOLENOID RESPONSE TIME TOO LONG
- DTC P1218 - INJECTION PUMP CALIBRATION CIRCUIT
- DTC P1406 - EGR VALVE POSITION
- DTC P1409 - EGR VACUUM SYSTEM LEAK
- DTC P1635 - PCM 5-VOLT REFERENCE LOW
- DTC P1641 - MALFUNCTION INDICATOR LIGHT (MIL) CONTROL CIRCUIT
- DTC P1653 - EGR VENT SOLENOID CONTROL CIRCUIT
- DTC P1654 - SERVICE THROTTLE SOON LIGHT CONTROL CIRCUIT
- DTC P1655 - EGR SOLENOID CONTROL CIRCUIT
- DTC P1656 - WASTEGATE SOLENOID CONTROL CIRCUIT
- Engine Controls - Tests W/o Codes - 6.5L: Overview
- Engine Controls - Tests W/o Codes - 6.5L: Diagnosis
- Engine Controls - Tests W/o Codes - 6.5L: Other
- Engine Control System & Component Tests - 5.7L: Specifications
- Engine Control System & Component Tests - 5.7L: Overview
- Engine Control System & Component Tests - 5.7L: Diagnosis
- Engine Control System & Component Tests - 5.7L: Component Locations
- Engine Control System & Component Tests - 5.7L: Other
- Engine Controls - System & Component Testing - 6.5L: Specifications
- Engine Controls - System & Component Testing - 6.5L: Overview
- Engine Controls - System & Component Testing - 6.5L: Diagnosis
- Engine Controls - System & Component Testing - 6.5L: Component Locations
- Engine Controls - System & Component Testing - 6.5L: Other
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