Note. This test only applies to Calif. emission vehicles with 8.0L. For circuit identification and wiring diagram, see WIRING DIAGRAMS article. If Powertrain Control Module (PCM) is replaced, PCM must be reprogrammed. See PROGRAMMING . After each repair procedure has been completed, reconnect all components. Perform POWERTRAIN VERIFICATION TEST VER-5 under VERIFICATION TESTS to ensure system is functioning properly.
Home/Dodge/Cab & Chassis R2500/Dodge Cab & Chassis R2500 (1996-2006)/Repair manual/Testing & Diagnostics/DTC P0145: 1/3 O2 SENSOR SLOW RESPONSE
Contents
Wiring diagrams Section: Testing & Diagnostics- Engine Controls Self-Diagnostics - Diesel: Overview
- Engine Controls Self-Diagnostics - Diesel: Diagnosis
- Engine Controls Self-Diagnostics - Diesel: Component Locations
- Engine Controls Self-Diagnostics - Diesel: Other
- DTC P0112: INTAKE AIR TEMPERATURE SENSOR VOLTAGE TOO LOW
- DTC P0113: INTAKE AIR TEMPERATURE SENSOR VOLTAGE TOO HIGH
- DTC P0117: ENGINE COOLANT TEMPERATURE SENSOR VOLTAGE TOO LOW
- DTC P0118: ENGINE COOLANT TEMPERATURE SENSOR VOLTAGE TOO HIGH
- DTC P0121: ACCELERATOR POSITION SENSOR VOLTS DO NOT AGREE W/IDLE VALID SIGNAL
- DTC P0122: ACCELERATOR POSITION SENSOR SIGNAL VOLTAGE TOO LOW
- DTC P0123: ACCELERATOR POSITION SENSOR SIGNAL VOLTAGE TOO HIGH
- DTC P0125: COOLANT TEMPERATURE RATIONALITY
- DTC P0128: ENGINE IS COLD TOO LONG
- DTC P0168: DECREASED ENGINE PERFORMANCE DUE TOO HIGH INJECTION PUMP FUEL TEMP
- DTC P0177: WATER IN FUEL
- DTC P0178: WATER IN FUEL SENSOR VOLTAGE TOO LOW
- DTC P0180: FUEL INJECTION PUMP TEMPERATURE OUT OF RANGE
- DTC P0181: FUEL INJECTION PUMP FAILURE
- DTC P0215: FUEL INJECTION PUMP CONTROL CIRCUIT
- DTC P0216: FUEL INJECTION PUMP TIMING FAILURE
- DTC P0222: IDLE VALIDATION SIGNALS BOTH LOW
- DTC P0223: IDLE VALIDATION SIGNALS BOTH HIGH (ABOVE 5 V)
- DTC P0230: TRANSFER PUMP CIRCUIT OUT OF RANGE
- DTC P0232: FUEL SHUTOFF SIGNAL VOLTAGE TOO HIGH
- DTC P0234: TURBO BOOST LIMIT EXCEEDED
- DTC P0236: MAP SENSOR TOO HIGH TOO LONG
- DTC P0237: MAP SENSOR VOLTAGE TOO LOW
- DTC P0238: MAP SENSOR VOLTAGE TOO HIGH
- DTC P0251: FUEL INJECTION PUMP MECHANICAL FAILURE FUEL VALVE FEEDBACK CIRCUIT
- DTC P0252: FUEL VALVE SIGNAL MISSING
- DTC P0253: FUEL INJECTION PUMP FUEL VALVE OPEN CIRCUIT
- DTC P0254: FUEL INJECTION PUMP FUEL VALVE CURRENT TOO HIGH
- DTC P0300-0306: MULTIPLE CYLINDER MISFIRE
- DTC P0320: NO CRANK REFERENCE SIGNAL AT PCM
- DTC P0341: CAMSHAFT POSITION SENSOR SIGNAL MISSING
- DTC P0342: CAMSHAFT POSITION SENSOR SUPPLY VOLTAGE TOO LOW
- DTC P0343: CAMSHAFT POSITION SENSOR SUPPLY VOLTAGE TOO HIGH
- DTC P0370: FUEL INJECTION PUMP SPEED/POSITION SENSOR SIGNAL LOST
- DTC P0380: INTAKE AIR HEATER RELAY NO. 1 CONTROL CIRCUIT
- DTC P0381: WAIT TO START LAMP INOPERATIVE
- DTC P0382: INTAKE AIR HEATER RELAY NO. 2 CONTROL CIRCUIT
- DTC P0460: FUEL LEVEL UNIT NO CHANGE OVER MILES
- DTC P0462: FUEL LEVEL SENDING UNIT VOLTS TOO LOW
- DTC P0463: FUEL LEVEL SENDING UNIT VOLTS TOO HIGH
- DTC P0500: NO VEHICLE SPEED SENSOR SIGNAL
- DTC P0501: VEHICLE SPEED SIGNAL RATIONALITY
- DTC P0522: OIL PRESSURE VOLTAGE TOO LOW
- DTC P0523: OIL PRESSURE VOLTAGE TOO HIGH
- DTC P0524: OIL PRESSURE TOO LOW
- DTC P0562: CHARGING SYSTEM VOLTAGE TOO LOW
- DTC P0563: CHARGING SYSTEM VOLTAGE TOO HIGH
- DTC P0601: PCM INTERNAL CONTROLLER FAILURE
- DTC P0602: ECM FUELING CALIBRATION ERROR
- DTC P0606: ECM FAILURE
- DTC P0622: GENERATOR FIELD NOT SWITCHING PROPERLY
- DTC P0645: A/C CLUTCH RELAY CIRCUIT
- DTC P1283: IDLE SELECT SIGNAL INVALID
- DTC P1284: FUEL INJECTOR PUMP BATTERY VOLTAGE OUT-OF-RANGE
- DTC P1285: FUEL INJECTION PUMP CONTROLLER ALWAYS ON
- DTC P1286: ACCELERATOR PEDAL POSITION SENSOR SUPPLY VOLTAGE TOO HIGH
- DTC P1287: FUEL INJECTION PUMP CONTROLLER SUPPLY VOLTAGE LOW
- DTC P1291: NO TEMPERATURE RISE SEEN FROM INTAKE AIR HEATERS
- DTC P1295: ACCELERATOR PEDAL POSITION SENSOR SUPPLY VOLTAGE TOO LOW
- DTC P1388: AUTO SHUTDOWN RELAY CONTROL CIRCUIT
- DTC P1389: NO ASD RELAY OUTPUT VOLTAGE AT PCM
- DTC P1475: AUXILIARY 5 VOLT OUTPUT TOO HIGH
- DTC P1488: AUXILIARY 5 VOLT OUTPUT TOO LOW
- DTC P1492: AMBIENT/BATT TEMPERATURE SENSOR VOLTS TOO HIGH
- DTC P1493: AMBIENT/BATT TEMPERATURE SENSOR VOLTS TOO LOW
- DTC P1594: CHARGING SYSTEM VOLTAGE TOO HIGH
- DTC P1595: SPEED CONTROL SOLENOID CIRCUITS
- DTC P1596: SPEED CONTROL SWITCH ALWAYS HIGH
- DTC P1597: SPEED CONTROL SWITCH ALWAYS LOW
- DTC P1682: CHARGING SYSTEM VOLTAGE TOO LOW
- DTC P1683: SPEED CONTROL PWR RELAY OR S/C 12V DRIVER CIRCUIT
- DTC P1688: INTERNAL FUEL INJECTION PUMP FAILURE
- DTC P1689: NO COMMUNICATION BETWEEN ECM & INJECTION PUMP MODULE
- DTC P1690: FUEL INJECTION PUMP CKP SENSOR DOES NOT AGREE WITH ECM CKP SENSOR
- DTC P1691: FUEL INJECTION PUMP CONTROLLER CALIBRATION ERROR
- DTC P1693: DTC DETECTED IN PCM
- DTC P1693: DTC DETECTED IN COMPANION MODULE
- DTC P1694: NO BUS MESSAGES RECEIVED FROM COMPANION MODULE
- DTC P1696: PCM FAILURE EEPROM WRITE DENIED
- DTC P1698: NO BUS MESSAGES RECEIVED FROM PCM
- DTC P1899: PARK/NEUTRAL SWITCH STUCK IN PARK OR IN GEAR
- Engine System Testing & Engine Component Testing - Ram Pickup - Diesel: Diagnosis
- Engine System Testing & Engine Component Testing - Ram Pickup - Diesel: Other
- Engine Controls - Trouble Shooting - No Codes - Diesel: Diagnosis
- Engine Controls - Trouble Shooting - No Codes - Diesel: Other
- Engine Controls - Basic Diagnostic Procedures - Trucks - Diesel: Diagnosis
- Engine Controls - Basic Diagnostic Procedures - Trucks - Diesel: Other
- Engine Controls Self-Diagnostics - Gasoline: Overview
- Engine Controls Self-Diagnostics - Gasoline: Diagnosis
- Engine Controls Self-Diagnostics - Gasoline: Component Locations
- Engine Controls Self-Diagnostics - Gasoline: Other
- DTC P0031: O2 SENSOR HEATER CIRCUIT LOW 1/1 OR DTC P0032: O2 SENSOR HEATER CIRCUIT HIGH 1/1
- DTC P0037: O2 SENSOR HEATER CIRCUIT LOW 1/2 OR DTC P0038: O2 SENSOR HEATER CIRCUIT HIGH 1/2
- DTC P0051: O2 SENSOR HEATER CIRCUIT LOW 2/1 OR DTC P0052: O2 SENSOR HEATER CIRCUIT HIGH 2/1
- DTC P0071: AMBIENT TEMP SENSOR PERFORMANCE
- DTC P0107: MAP SENSOR VOLTAGE TOO LOW
- DTC P0108: MAP SENSOR VOLTAGE TOO HIGH
- DTC P0111: INTAKE AIR TEMP PERFORMANCE
- DTC P0112: INTAKE AIR TEMP SENSOR VOLTAGE LOW
- DTC P0113: INTAKE AIR TEMP SENSOR VOLTAGE HIGH
- DTC P0117: ECT SENSOR VOLTAGE TOO LOW
- DTC P0118: ECT SENSOR VOLTAGE TOO HIGH
- DTC P0122: THROTTLE POSITION SENSOR VOLTAGE LOW
- DTC P0123: THROTTLE POSITION SENSOR VOLTAGE HIGH
- DTC P0125 : CLOSED LOOP TEMP NOT REACHED
- DTC P0131: 1/1 O2 SENSOR SHORTED TO GROUND
- DTC P0132: 1/1 O2 SENSOR SHORTED TO VOLTAGE
- DTC P0133: 1/1 O2 SENSOR SLOW RESPONSE
- DTC P0135: 1/1 O2 SENSOR HEATER FAILURE
- DTC P0136: 1/2 O2 SENSOR HEATER CIRCUIT MALFUNCTION
- DTC P0137: 1/2 O2 SENSOR SHORTED TO GROUND
- DTC P0138: 1/2 O2 SENSOR SHORTED TO VOLTAGE
- DTC P0139: 1/2 O2 SENSOR SLOW RESPONSE
- DTC P0141: 1/2 O2 SENSOR HEATER FAILURE
- DTC P0143: 1/3 O2 SENSOR SHORTED TO GROUND
- DTC P0144: 1/3 O2 SENSOR SHORTED TO VOLTAGE
- DTC P0145: 1/3 O2 SENSOR SLOW RESPONSE
- DTC P0147: 1/3 O2 SENSOR HEATER PERFORMANCE
- DTC P0151: 2/1 O2 SENSOR SHORTED TO GROUND
- DTC P0152: 2/1 O2 SENSOR SHORTED TO VOLTAGE
- DTC P0153: 2/1 O2 SENSOR SLOW RESPONSE
- DTC P0155: 2/1 O2 SENSOR HEATER FAILURE
- DTC P0157: 2/2 O2 SENSOR SHORTED TO GROUND
- DTC P0158: 2/2 O2 SENSOR SHORTED TO VOLTAGE
- DTC P0159: 2/2 O2 SENSOR SLOW RESPONSE
- DTC P0161: 2/2 O2 SENSOR HEATER FAILURE
- DTC P0171: 1/1 FUEL SYSTEM LEAN
- DTC P0172: 1/1 FUEL SYSTEM RICH
- DTC P0174: 2/1 FUEL SYSTEM LEAN
- DTC P0175: 2/1 FUEL SYSTEM RICH
- DTC P0201: INJECTOR #1 CONTROL CIRCUIT
- DTC P0202: INJECTOR #2 CONTROL CIRCUIT
- DTC P0203: INJECTOR #3 CONTROL CIRCUIT
- DTC P0204: INJECTOR #4 CONTROL CIRCUIT
- DTC P0205: INJECTOR #5 CONTROL CIRCUIT
- DTC P0206: INJECTOR #6 CONTROL CIRCUIT
- DTC P0207: INJECTOR #7 CONTROL CIRCUIT
- DTC P0208: INJECTOR #8 CONTROL CIRCUIT
- DTC P0209: INJECTOR #9 CONTROL CIRCUIT
- DTC P0210: INJECTOR #10 CONTROL CIRCUIT
- DTC P0300: MULTIPLE CYLINDER MISFIRE
- DTC P0320: NO CRANK REFERENCE SIGNAL AT PCM
- DTC P0340: NO CAM SIGNAL AT PCM
- DTC P0351: IGNITION COIL #1 PRIMARY CIRCUIT
- DTC P0351: IGNITION COIL #1 PRIMARY CIRCUIT (2)
- DTC P0352: IGNITION COIL #2 PRIMARY CIRCUIT
- DTC P0353: IGNITION COIL #3 PRIMARY CIRCUIT
- DTC P0354: IGNITION COIL #4 PRIMARY CIRCUIT
- DTC P0355: IGNITION COIL #5 PRIMARY CIRCUIT
- DTC P0420: 1/1 CATALYTIC CONVERTER EFFICIENCY
- DTC P0432: 2/1 CATALYTIC CONVERTER EFFICIENCY
- DTC P0441: EVAP PURGE FLOW MONITOR
- DTC P0442: EVAP LEAK MONITOR MEDIUM (.040") LEAK DETECTED, DTC P0455: EVAP LEAK MONITOR LARGE LEAK DETECTED OR DTC P0456: EVAP LEAK MONITOR SMALL (.020") LEAK DETECTED
- DTC P0443: EVAP PURGE SOLENOID CIRCUIT
- DTC P0460: FUEL LEVEL UNIT NO CHANGE OVER MILES OR DTC P0461: FUEL LEVEL UNIT NO CHANGE OVER TIME
- DTC P0462: FUEL LEVEL SENDING UNIT VOLTS TOO LOW
- DTC P0463: FUEL LEVEL SENDING UNIT VOLTS TOO HIGH
- DTC P0500: NO VEHICLE SPEED SENSOR SIGNAL
- DTC P0505: IDLE AIR CONTROL MOTOR CIRCUITS
- DTC P0601: PCM INTERNAL CONTROLLER FAILURE
- DTC P0622: GENERATOR FIELD NOT SWITCHING PROPERLY
- DTC P0645: A/C CLUTCH RELAY CIRCUIT
- DTC P1195: 1/1 O2 SENSOR SLOW DURING CATALYST MONITOR
- DTC P1196: 2/1 O2 SENSOR SLOW DURING CATALYST MONITOR
- DTC P1197: SLOW 1/2 O2S DURING CATALYST MONITOR
- DTC P1281: ENGINE IS COLD TOO LONG
- DTC P1282: FUEL PUMP RELAY CONTROL CIRCUIT
- DTC P1294: TARGET IDLE NOT REACHED
- DTC P1296: NO 5 VOLTS TO MAP SENSOR
- DTC P1297: NO CHANGE IN MAP FROM START TO RUN
- DTC P1299: VACUUM LEAK FOUND (IAC FULLY SEATED)
- DTC P1388: AUTO SHUTDOWN RELAY CONTROL CIRCUIT
- DTC P1389: NO ASD RELAY OUTPUT VOLTAGE AT PCM
- DTC P1391: INTERMITTENT LOSS OF CMP OR CKP (3.9L, 5.2L & 5.9L)
- DTC P1391: INTERMITTENT LOSS OF CMP OR CKP (8.0L)
- DTC P1398: MISFIRE ADAPTIVE NUMERATOR AT LIMIT
- DTC P1486: EVAP LEAK MONITOR PINCHED HOSE FOUND
- DTC P1492: AMBIENT/BATT TEMP SEN VOLTS TOO HIGH
- DTC P1493: AMBIENT/BATT TEMP SEN VOLTS TOO LOW
- DTC P1494: LEAK DETECTION PUMP SW OR MECHANICAL FAULT
- DTC P1495: LEAK DETECTION PUMP SOLENOID CIRCUIT
- DTC P1594: CHARGING SYSTEM VOLTAGE TOO HIGH
- DTC P1595: SPEED CONTROL SOLENOID CIRCUITS OR DTC P1683: SPD CTRL PWR RELAY; OR S/C 12V DRIVER CIRCUIT
- DTC P1596: SPEED CONTROL SWITCH ALWAYS HIGH
- DTC P1597: SPEED CONTROL SWITCH ALWAYS LOW
- DTC P1682: CHARGING SYSTEM VOLTAGE TOO LOW
- DTC P1696: PCM FAILURE EEPROM WRITE DENIED
- Engine Controls - Basic Diagnostic Procedures - Gasoline: Overview
- Engine Controls - Basic Diagnostic Procedures - Gasoline: Diagnosis
- Engine Controls - Basic Diagnostic Procedures - Gasoline: Other
- Engine System Testing & Engine Component Testing - Ram Pickup, Ram Van & Ram Wagon - Gasoline: Specifications
- Engine System Testing & Engine Component Testing - Ram Pickup, Ram Van & Ram Wagon - Gasoline: Diagnosis
- Engine System Testing & Engine Component Testing - Ram Pickup, Ram Van & Ram Wagon - Gasoline: Other
- Engine Controls - Trouble Shooting - No Codes - Cng & Gasoline: Diagnosis
- Engine Controls - Trouble Shooting - No Codes - Cng & Gasoline: Other
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