Note. For circuit reference, see WIRING DIAGRAMS article.
Circuit Description
PCM has detected a failure in the communication circuitry.
Home/Chevrolet/Tracker/Chevrolet Tracker II (1998-2004)/Repair manual/Testing & Diagnostics/DTC P0601: PCM MEMORY (2.0L)
Contents
Wiring diagrams Section: Testing & Diagnostics- Engine Control System Self-Diagnostics - 2.0L & 2.5L: Overview
- Engine Control System Self-Diagnostics - 2.0L & 2.5L: Diagnosis
- Engine Control System Self-Diagnostics - 2.0L & 2.5L: Component Locations
- Engine Control System Self-Diagnostics - 2.0L & 2.5L: Other
- DTC P0101: MAF AIRFLOW SENSOR PERFORMANCE
- DTC P0102: MAF SENSOR CIRCUIT - LOW FREQUENCY
- DTC P0103: MAF SENSOR CIRCUIT - HIGH FREQUENCY (2.0L)
- DTC P0103: MAF SENSOR CIRCUIT - HIGH FREQUENCY (2.5L)
- DTC P0111: IAT SENSOR PERFORMANCE
- DTC P0112: IAT SENSOR CIRCUIT - LOW VOLTAGE
- DTC P0113: IAT SENSOR CIRCUIT - HIGH VOLTAGE
- DTC P0116: ECT SENSOR CIRCUIT PERFORMANCE
- DTC P0117: ECT SENSOR CIRCUIT - LOW VOLTAGE
- DTC P0118: ECT SENSOR CIRCUIT - HIGH VOLTAGE
- DTC P0121: THROTTLE POSITION SENSOR PERFORMANCE
- DTC P0122: THROTTLE POSITION SENSOR CIRCUIT - LOW VOLTAGE
- DTC P0123: THROTTLE POSITION SENSOR CIRCUIT - HIGH VOLTAGE
- DTC P0125: ECT EXCESSIVE TIME TO ENTER CLOSED LOOP
- DTC P0131: HO2S NO. 1 CIRCUIT - LOW VOLTAGE (2.0L)
- DTC P0131 OR P0151: HO2S NO. 1, BANK 1 CIRCUIT - LOW VOLTAGE (2.5L)
- DTC P0132: HO2S NO. 1 CIRCUIT - HIGH VOLTAGE (2.0L)
- DTC P0132 OR P0152: HO2S NO. 1, BANK 1 CIRCUIT - HIGH VOLTAGE (2.5L)
- DTC P0133: HO2S NO. 1 SLOW RESPONSE (2.0L)
- DTC P0133 OR P0153: HO2S NO. 1, BANK 1 SLOW RESPONSE (2.5L)
- DTC P0134: HO2S NO. 1 CIRCUIT INSUFFICIENT ACTIVITY (2.0L)
- DTC P0134 OR P0154: HO2S NO. 1, BANK 1 CIRCUIT INSUFFICIENT ACTIVITY (2.5L)
- DTC P0135: HO2S NO. 1 HEATER CIRCUIT (2.0L)
- DTC P0135 OR P0155: HO2S NO. 1, BANK 1 HEATER CIRCUIT (2.5L)
- DTC P0136: HO2S NO. 2 CIRCUIT (2.0L)
- DTC P0136 OR P0156: HO2S NO. 2, BANK 1 CIRCUIT (2.5L)
- DTC P0141: HO2S NO. 2 HEATER PERFORMANCE (2.0L)
- DTC P0141: HO2S NO. 2, BANK 1 HEATER PERFORMANCE (2.5L)
- DTC P0161: HO2S NO. 2, BANK 2 HEATER PERFORMANCE (2.5L)
- DTC P0171: LEAN FUEL TRIM SYSTEM (2.0L)
- DTC P0171: LEAN FUEL TRIM SYSTEM (2.5L)
- DTC P0172: RICH FUEL TRIM SYSTEM
- DTC P0174: LEAN FUEL TRIM SYSTEM - BANK 2 (2.5L)
- DTC P0175: RICH FUEL TRIM SYSTEM - BANK 2 (2.5L)
- DTC P0300: ENGINE MISFIRE DETECTED
- DTC P0301-P0304: CYLINDER MISFIRE DETECTED (2.0L)
- DTC P0301-P0306: CYLINDER MISFIRE DETECTED (2.5L)
- DTC P0327: KNOCK SENSOR CIRCUIT - VOLTAGE LOW (2.0L)
- DTC P0328: KNOCK SENSOR CIRCUIT - OPEN (2.0L)
- DTC P0335: CRANKSHAFT POSITION SENSOR CIRCUIT
- DTC P0340: CAMSHAFT POSITION SENSOR CIRCUIT
- DTC P0400: EGR FLOW MALFUNCTION (2.0L)
- DTC P0400: EGR FLOW MALFUNCTION (2.5L)
- DTC P0403: EGR SOLENOID CONTROL CIRCUIT (2.0L)
- DTC P0420: CATALYST SYSTEM LOW EFFICIENCY (2.0L)
- DTC P0420 OR P0430: CATALYST SYSTEM LOW EFFICIENCY (2.5L)
- DTC P0440: EVAPORATIVE EMISSIONS SYSTEM WITH ORVR
- DTC P0440: EVAPORATIVE EMISSIONS SYSTEM WITHOUT ORVR (2.0L)
- DTC P0443: EVAPORATIVE EMISSION SYSTEM INCORRECT PURGE FLOW (2.0L)
- DTC P0450: FUEL TANK PRESSURE SENSOR CIRCUIT
- DTC P0451: FUEL TANK PRESSURE SENSOR PERFORMANCE - WITH ORVR
- DTC P0451: FUEL TANK PRESSURE SENSOR PERFORMANCE - WITHOUT ORVR (2.0L)
- DTC P0455: EVAPORATIVE EMISSION SYSTEM LEAK DETECTED - WITH ORVR
- DTC P0455: EVAPORATIVE EMISSION SYSTEM LEAK DETECTED - WITHOUT ORVR (2.0L)
- DTC P0505: IDLE CONTROL SYSTEM
- DTC P0601: PCM MEMORY (2.0L)
- DTC P0601-P0607, P1600, P1621, P1627 OR P1683: PCM MEMORY (2.5L)
- DTC P0705: TRANSMISSION RANGE SWITCH
- DTC P1408: MAP SENSOR CIRCUIT
- DTC P1410: EVAP TANK PRESSURE CONTROL SOLENOID VALVE CIRCUIT (2.0L)
- DTC P1450: BAROMETRIC PRESSURE SENSOR CIRCUIT
- DTC P1451: BAROMETRIC PRESSURE SENSOR PERFORMANCE
- DTC P1500: START SWITCH CIRCUIT
- DTC P1510: PCM BACKUP POWER SUPPLY (2.0L)
- DTC P1510: PCM BACKUP POWER SUPPLY (2.5L)
- Engine Controls - Trouble Shooting - No Codes: Diagnosis
- Engine Controls - Trouble Shooting - No Codes: Other
- Engine Control System & Engine Component Tests: Specifications
- Engine Control System & Engine Component Tests: Diagnosis
- Engine Control System & Engine Component Tests: Wiring
- Engine Control System & Engine Component Tests: Other
- Engine Controls - Basic Diagnostic Procedures: Diagnosis
- Engine Controls - Basic Diagnostic Procedures: Other
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