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Home >> Mercury >> 1999 >> Villager Base >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Tests W/Codes >> Diagnostic Trouble Code (DTC) Identification >> Diagnostic Trouble Code (DTC) Definition Charts

Diagnostic Trouble Code (DTC) Definition Charts

SCAN TOOL DTC DIRECTORY

DTC Description Go To Test
P0000 No Faults Detected .....
P0100 MAF Sensor Circuit Fault DC 
P0105 MAP/BARO Sensor Fault DB 
P0110 IAT Sensor Circuit Fault DA 
P0115 ECT Sensor Circuit Fault DA 
P0120 Throttle Position Sensor Fault DH 
P0125 Engine Temp Low, No Closed Loop DA 
P0130 HO2S Circuit Fault; Bank 1, Sensor 1 H 
P0131 HO2S Lean H 
P0132 HO2S Rich H 
P0133 HO2S H 
P0134 HO2S H 
P0135 HO2S Heater Fault; Bank 1, Sensor 1 H 
P0137 HO2S Lean H 
P0138 HO2S Rich H 
P0139 HO2S Response H 
P0140 HO2S Sensor H 
P0141 HO2S Heater Fault; Bank 1, Sensor 2 H 
P0171 Fuel Mixture Too Lean H 
P0172 Fuel Mixture Too Rich H 
P0180 Fuel Temperature Sensor Circuit HX 
P0300 Random Or Multiple Misfire HD 
P0301 Cylinder No. 1 Misfire Detected HD 
P0302 Cylinder No. 2 Misfire Detected HD 
P0303 Cylinder No. 3 Misfire Detected HD 
P0304 Cylinder No. 4 Misfire Detected HD 
P0305 Cylinder No. 5 Misfire Detected HD 
P0306 Cylinder No. 6 Misfire Detected HD 
P0325 (1) Knock Sensor Circuit Fault DG 
P0335 CKP Sensor Circuit Fault DR 
P0340 CMP Sensor Circuit Fault DR 
P0400 EGR Flow Fault HE 
P0402 Excessive EGR Flow Detected HE 
P0420 Catalyst Efficiency Fault; Bank 1 HF 
P0440 EVAP Emission Control System Leak Detected HX 
P0443 EVAP Emission Control System Purge Volume Control Valve HX 
P0446 EVAP Emission Control System Vent Control Circuit HX 
P0450 EVAP Emission Control System Pressure Sensor HX 
P0500 Vehicle Speed Sensor Fault DP 
P0505 Idle Control System Fault KE 
P0510 Closed TP Sensor Malfunction HB 
P0600 Serial Communication Link Fault QA 
P0605 PCM Internal Failure (2)
P0705 Transmission Range Sensor Fault (3)
P0710 Transmission Temp Sensor Fault (3)
P0720 Output Speed Sensor Circuit Fault DR 
P0725 Engine Speed Input Circuit Fault ND 
P0731 1st Gear - Incorrect Ratio (3)
P0732 2nd Gear - Incorrect Ratio (3)
P0733 3rd Gear - Incorrect Ratio (3)
P0734 4th Gear - Incorrect Ratio (3)
P0740 Torque Converter Clutch Fault (3)
P0744 Torque Converter Clutch Solenoid Malfunction (3)
P0745 Pressure Control Solenoid Fault (3)
P0750 Shift Solenoid No. 1 Circuit Fault (3)
P0755 Shift Solenoid No. 2 Circuit Fault (3)
P1105 MAP/BARO Solenoid Circuit Malfunction DB 
P1148 Closed Loop Control Malfunction H 
P1320 Distributor Signal Interrupt JA 
P1336 Crankshaft Position Sensor DS 
P1400 EGR DPFE Sensor; Voltage Low HE 
P1401 EGR Temperature Sensor Fault HE 
P1402 EGR System High Flow Rate HE 
P1440 EVAP Emission Control System Small Leak Detected HX 
P1444 EVAP Emission Control System Volume Control Valve HX 
P1446 EVAP Emission Control System Vent Control (Closed) HX 
P1447 EVAP Emission Purge Flow Monitoring HX 
P1448 EVAP Emission Control System Vent Control (Open) HX 
P1490 EVAP Emission Vacuum Cut By-Pass Solenoid Circuit HX 
P1491 EVAP Emission Vacuum Cut By-Pass Solenoid Malfunction HX 
P1605 A/T Data Communication Line Fault QA 
P1705 Throttle Position Sensor Fault (A/T) (3)
P1706 Park/Neutral Position Switch Not Switching (3)
P1760 Overrun Clutch S/V (3)
(1) Freeze frame data will not be stored in the ECM for the knock sensor. The MIL will not light for a knock sensor malfunction.
(2) Replace PCM.
(3) See 4F20E ELECTRONIC CONTROLS article in TRANSMISSION DIAGNOSIS section.