Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSMERCURY2009MILAN PREMIER, 3.0 1, AWDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 231 (ENGINE CONTROLS - POWERTRAIN DTC CHARTS & DESCRIPTIONS - (HYBRID))
2009 Mercury Milan Premier, 3.0 1, AWD
Section 231 (Engine Controls - Powertrain DTC Charts & Descriptions - (Hybrid))
2009 Mercury Milan Premier, 3.0 1, AWDSECTION Section 231 (Engine Controls - Powertrain DTC Charts & Descriptions - (Hybrid))
WARNING: This page is about a different car, the 2006 Mercury Mariner and 2006 Ford Escape. However, it is still accessible from the selected car via links, so may be relevant.
- Diagnostic Trouble Code (DTC) Charts And Descriptions
- DTC Diagnosis
- DTC BXXXX: (TBCM)
- DTC BXXXX: (Pcm)
- DTC C1218: Abs Warning Indicator Output Circuit Failure
- DTC C1222: Speed Wheel Mismatch
- DTC CXXXX: (TBCM)
- DTC CXXXX: (Pcm)
- DTC P0053: Ho2S Heater Resistance (Bank 1, Sensor 1)
- DTC P0054: Ho2S Heater Resistance (Bank 1, Sensor 2)
- DTC P0068: Throttle Position (TP) Sensor Inconsistent With Manifold Absolute Pressure (Map) And Mass Air Flow (MAF) Sensors
- DTC P0087: Fuel Rail/System Pressure - Too Low
- DTC P0102: Mass Or Volume Air Flow Circuit Low Input
- DTC P0103: Mass Or Volume Air Flow A Circuit High Input
- DTC P0106: Manifold Absolute Pressure (Map) Sensor Circuit Performance
- DTC P0107: Map Sensor Low Voltage Detected
- DTC P0108: Map Sensor High Voltage Detected
- DTC P0112: Intake Air Temperature (IAT) Sensor 1 Circuit Low Input
- DTC P0113: Intake Air Temperature (IAT) Sensor 1 Circuit High Input
- DTC P0114: Intake Air Temperature (IAT) Sensor 1 Intermittent/Erratic
- DTC P0116: Engine Coolant Temperature Sensor 1 Circuit Range/Performance Failure
- DTC P0119: Engine Coolant Temperature (ECT) Sensor 1 Circuit Intermittent/Erratic
- DTC P0121: Etc Throttle Position (TP1) Sensor Circuit Range/Performance
- DTC P0122: Etc Throttle Position (TP1) Sensor Circuit Low Input
- DTC P0123: Etc Throttle Position (TP1) Sensor Circuit High Input
- DTC P0128: Coolant Thermostat (Coolant Temperature Below Thermostat Regulating Temperature)
- DTC P0132: Ho2S Sensor Circuit High Voltage (Ho2S-11)
- DTC P0133: Ho2S Sensor Circuit Slow Response (Ho2S-11)
- DTC P0135: Ho2S Sensor Circuit Malfunction (Ho2S-11)
- DTC P0138: Ho2S Circuit High Voltage (Ho2S-12)
- DTC P0141: Ho2S Circuit Malfunction (Ho2S-12)
- DTC P0148: Fuel Delivery Error
- DTC P0171: System Too Lean (Bank 1)
- DTC P0172: System Too Rich (Bank 1)
- DTC P0182: Fuel Temperature Sensor A Circuit Low Input
- DTC P0183: Fuel Temperature Sensor A Circuit High Input
- DTC P0190: Fuel Rail Pressure (FRP) Sensor Circuit Malfunction
- DTC P0191: Fuel Rail Pressure (FRP) Sensor Circuit Performance
- DTC P0192: Fuel Rail Pressure (FRP) Sensor Circuit Low Input
- DTC P0193: Fuel Rail Pressure (FRP) Sensor Circuit High Input
- DTC P0201: Cylinder No. 1 Injector Circuits
- DTC P0202: Cylinder No. 2 Injector Circuits
- DTC P0203: Cylinder No. 3 Injector Circuits
- DTC P0204: Cylinder No. 4 Injector Circuits
- DTC P0221: Throttle Position (TP2) Sensor Circuit Range/Performance
- DTC P0222: Throttle Position (TP2) Sensor Circuit Low Input
- DTC P0223: Throttle Position (TP2) Sensor Circuit High Input
- DTC P0300: Random Misfire
- DTC P0301: Misfire Detection Monitor
- DTC P0302: Misfire Detection Monitor
- DTC P0303: Misfire Detection Monitor
- DTC P0304: Misfire Detection Monitor
- DTC P0315: Pcm Unable To Learn Crankshaft Pulse Wheel Tooth Spacing (Exceeded Allowable Correction Tolerances)
- DTC P0316: Misfire Occurred In First 1,000 Engine Revolutions
- DTC P0320: Ignition Engine Speed Input Circuit Malfunction
- DTC P0325: Knock Sensor 1 Circuit Malfunction (Bank 1)
- DTC P0340: Camshaft Position (CMP) Sensor Circuit Malfunction
- DTC P0351: Ignition Coil A Primary/Secondary Circuit Malfunction
- DTC P0352: Ignition Coil B Primary/Secondary Circuit Malfunction
- DTC P0353: Ignition Coil C Primary/Secondary Circuit Malfunction
- DTC P0354: Ignition Coil D Primary/Secondary Circuit Malfunction
- DTC P0400: EGR Flow Failure (Outside Minimum Or Maximum Limits)
- DTC P0403: EEGR Electric Motor Windings Or Circuits To Pcm Shorted Or Open
- DTC P0420: Catalyst System Efficiency Below Threshold (Bank 1)
- DTC P0442: EVAP Control System Leak Detected (Small Leak)
- DTC P0443: EVAP Control System Canister Purge Valve Circuit Malfunction
- DTC P0446: EVAP Control System Canister Vent Solenoid Circuit Malfunction
- DTC P0452: Ftp Sensor Circuit Low Voltage Detected
- DTC P0453: Ftp Sensor Circuit High Voltage Detected
- DTC P0454: Ftp Sensor Circuit Noisy
- DTC P0455: EVAP Control System Leak Detected (No Purge Flow Or Large Leak)
- DTC P0456: EVAP Control System Leak Detected (Very Small Leak)
- DTC P0457: EVAP Control System Leak Detected (Fuel Filler Cap Loose/Off)
- DTC P0460: Fuel Level Sensor Circuit Malfunction
- DTC P0461: Fuel Level Sensor Circuit Range/Performance
- DTC P0462: Fuel Level Sensor Circuit Low Input
- DTC P0463: Fuel Level Sensor Circuit High Input
- DTC P0480: Low Fan Control (LFC) Primary Circuit Failure (Also Referred To As FC1 Circuit)
- DTC P0481: High Fan Control (HFC) Primary Circuit Failure
- DTC P0482: Medium Fan Control (MFC) Primary Circuit Failure
- DTC P0500: Vehicle Speed Sensor (A)
- DTC P0506: Idle Air Control System Rpm Lower Than Expected
- DTC P0507: Idle Air Control System Rpm Higher Than Expected
- DTC P0535: A/C Evaporator Temperature Sensor Circuit
- DTC P0537: A/C Evaporator Temperature (ACET) Circuit Low Input
- DTC P0538: A/C Evaporator Temperature (ACET) Circuit High Input
- DTC P0562: (Pcm) System Voltage Low
- DTC P0562: (TCM) Transmission Control Module (TCM) System Voltage Low
- DTC P0563: (Pcm) System Voltage High
- DTC P0563: (TCM) Transmission Control Module (TCM) System Voltage High
- DTC P0579: Cruise Control Multi-Function Input A Circuit Range/Performance
- DTC P0581: Cruise Control Multi-Function Input A Circuit High
- DTC P0602: Control Module Programming Error
- DTC P0603: Internal Control Module Keep Alive Memory (KAM) Error
- DTC P0605: Powertrain Control Module Read Only Memory (ROM) Error
- DTC P0606: Powertrain Control Module Internal Communication Error
- DTC P0613: Transaxle Control Module (TCM) System Fault
- DTC P0645: A/C Clutch Relay (A/CCR) Primary Circuit Malfunction (Also Referred To As WAC Circuit)
- DTC P0685: Power Sustain Relay (PSR) Primary Circuit Malfunction
- DTC P0700: Transmission Control System (Mil Request)
- DTC P0710: Transmission Fluid Temperature Sensor A Circuit
- DTC P0726: Engine Speed Input Circuit Range/Performance
- DTC P0727: Engine Speed Input Circuit No Signal
- DTC P0A00: Motor Electronics Coolant Temperature (MECT) Sensor Circuit
- DTC P0A01: Motor Electronics Coolant Temperature (MECT) Sensor Circuit Range Performance
- DTC P0A02: Motor Electronics Coolant Temperature (MECT) Sensor Circuit Low
- DTC P0A03: Motor Electronics Coolant Temperature (MECT) Sensor Circuit High
- DTC P0A05: Motor Electronics Coolant Pump Relay (MECP) Primary Circuit Malfunction
- DTC P0A08: Dc/Dc Converter Fault (DCF) Circuit Open
- DTC P0A09: Dc/Dc Converter Fault (DCF) Circuit Low
- DTC P0A0A: (TBCM) High Voltage System Interlock Circuit
- DTC P0A0A: (TCM) High Voltage System Interlock Circuit
- DTC P0A10: Dc/Dc Converter Fault (DCF) Circuit High
- DTC P0A11: Dc/Dc Converter Enable (DCE) Circuit Open
- DTC P0A12: Dc/Dc Converter Enable (DCE) Circuit Low
- DTC P0A13: Dc/Dc Converter Enable (DCE) Circuit High
- DTC P0A18: Motor Torque Sensor Circuit Range/Performance
- DTC P0A1A: Generator Control Module
- DTC P0A1B: Drive Motor A Control Module
- DTC P0A1F: (TBCM) Traction Battery Control Module
- DTC P0A1F: (Pcm) Traction Battery Control Module
- DTC P0A23: Generator Torque Sensor Circuit Range/Performance
- DTC P0A27: (TBCM) Hybrid Battery Power Off Circuit
- DTC P0A27: (Pcm) Hybrid Battery Power Off Circuit
- DTC P0A28: Hybrid Battery Power Off Circuit Low
- DTC P0A2A: Drive Motor A Temperature Sensor Circuit
- DTC P0A2F: Drive Motor A Over Temperature
- DTC P0A36: Generator Temperature Sensor Circuit
- DTC P0A3B: Generator Over Temperature
- DTC P0A3C: Drive Motor A Inverter Over Temperature
- DTC P0A3E: Generator Inverter Over Temperature
- DTC P0A44: Drive Motor A Position Sensor Circuit OVERSPEED
- DTC P0A50: Generator Position Sensor Circuit OVERSPEED
- DTC P0A78: Drive Motor A Inverter Performance
- DTC P0A7A: Generator Inverter Performance
- DTC P0A7C: Motor Electronics Coolant Temperature (MECT) - Over Temperature
- DTC P0A7D: Hybrid Battery Pack State Of Charge Low
- DTC P0A7E: Hybrid Battery Pack Over Temperature
- DTC P0A80: Replace Hybrid Battery Pack
- DTC P0A81: Hybrid Battery Pack Cooling Fan 1 Control Circuit
- DTC P0A8B: System Voltage
- DTC P0A8D: System Voltage Low
- DTC P0A8E: System Voltage High
- DTC P0A90: Drive Motor A Performance
- DTC P0A92: Hybrid Generator Performance
- DTC P0A95: High Voltage Fuse
- DTC P0A96: Hybrid Battery Pack Cooling Fan 2 Control Circuit
- DTC P0A9B: Hybrid Battery Pack Air Temperature Sensor Circuit
- DTC P0AA6: Hybrid Battery Voltage System Isolation Fault
- DTC P0AA7: Hybrid Battery Voltage Isolation Sensor Circuit
- DTC P0AAC: Hybrid Battery Pack Air Temperature Sensor A Circuit
- DTC P0AB1: Hybrid Battery Pack Air Temperature Sensor B Circuit
- DTC P0ABF: Hybrid Battery Pack Current Sensor Circuit / Open
- DTC P0AC0: Hybrid Battery Pack Current Sensor Circuit Range / Performance
- DTC P0AE1: Hybrid Battery PRECHARGE Contactor Circuit
- DTC P1000: OBD Systems Readiness Test Not Complete
- DTC P1001: KOER Not Able To Complete, KOER Aborted
- DTC P1101: Mass Air Flow (MAF) Sensor Out Of Self-Test Range
- DTC P1127: Exhaust Not Warm Enough, Downstream Sensor Not Tested
- DTC P1145: (Pcm) Calculated Torque Error
- DTC P1145: (TCM) Calculated Torque Error
- DTC P1233: Fuel System Disabled Or Offline
- DTC P1235: Fuel Pump Control Out Of Range
- DTC P1237: Fuel Pump Secondary Circuit Malfunction
- DTC P1260: Theft Detected, Vehicle Immobilized
- DTC P1285: Cylinder Head Over Temperature Condition
- DTC P1288: Cylinder Head Temperature (CHT) Sensor Out Of Self-Test Range
- DTC P1289: Cylinder Head Temperature (CHT) Sensor Circuit High Input
- DTC P1290: Cylinder Head Temperature (CHT) Sensor Circuit Low Input
- DTC P1299: Cylinder Head Over Temperature Protection Active
- DTC P1397: System Voltage Out Of Self - Test Range
- DTC P1408: EGR Flow Out Of Self-Test Range (Non-Mil)
- DTC P1450: Unable To Bleed Up Fuel Tank Vacuum
- DTC P1459: A/C RECIRCULATION Switch (A/CRSW) Out Of Self-Test Range
- DTC P1464: A/C Demand Out Of Self-Test Range
- DTC P1500: Vehicle Speed Sensor
- DTC P1501: Vehicle Speed Sensor (VSS) Out Of Self-Test Range
- DTC P1572: Brake Pedal Switch Circuit
- DTC P1633: Keep Alive Power Voltage Too Low
- DTC P1635: (Pcm) Tire/Axle Ratio Out Of Acceptable Range
- DTC P1635: (TCM) Tire/Axle Out Of Acceptable Range
- DTC P1639: Vehicle Id Block Not Programmed Or Is Corrupt
- DTC P1703: Brake Switch Out Of Self-Test Range
- DTC P1705: Transmission Range Circuit Not Indicating Park/Neutral During Self-Test
- DTC P1921: Transmission Range Signal
- DTC P1A03: Drive Motor A Shutdown Circuit
- DTC P1A04: Generator Shutdown Circuit
- DTC P1A05: Desired Engine Speed Signal
- DTC P1A06: Vehicle Mode Signal
- DTC P1A07: Inverter High Voltage Performance
- DTC P1A08: Generator Mode Signal
- DTC P1A0A: Immediate Shutdown Signal
- DTC P1A0C: Hybrid Powertrain Control Module - Engine Disabled
- DTC P1A0D: Hybrid Powertrain Control Module - Generator Disabled
- DTC P1A0E: Hybrid Powertrain Control Module - Drive Motor Disabled
- DTC P1A0F: Hybrid Powertrain Control Module - Vehicle Disabled
- DTC P1A10: Hybrid Powertrain Control Module - Battery Disabled
- DTC P1A13: Hybrid Powertrain Control Module - Regenerative Braking Disabled
- DTC P1A14: Hybrid Powertrain Control Module - Transmission Disabled
- DTC P2004: Intake Manifold Runner Control (IMRC) Stuck Open (Bank 1)
- DTC P2006: Intake Manifold Runner Control (IMRC) Stuck Closed (Bank 1)
- DTC P2008: Intake Manifold Runner Control (IMRC) Circuit Open (Bank 1)
- DTC P2100: Throttle Actuator Control (TAC) Motor Circuit/Open
- DTC P2101: Throttle Actuator Control (TAC) Motor Range/Performance
- DTC P2104: Throttle Actuator Control (TAC) System - Forced Idle
- DTC P2105: Throttle Actuator Control (TAC) System - Forced Engine Shutdown
- DTC P2107: Throttle Actuator Control (TAC) Motor Processor
- DTC P2110: Throttle Actuator Control (TAC) System - Forced Limited Rpm
- DTC P2111: Throttle Actuator Control (TAC) System - Stuck Open
- DTC P2112: Throttle Actuator Control (TAC) System - Stuck Closed
- DTC P2121: Accelerator Pedal Position (App) Sensor Circuit 1 Range/Performance
- DTC P2122: Accelerator Pedal Position (App) Sensor Circuit 1 Low Input
- DTC P2123: Accelerator Pedal Position (App) Sensor Circuit 1 High Input
- DTC P2126: Accelerator Pedal Position (App) Sensor Circuit 2 Range/Performance
- DTC P2127: Accelerator Pedal Position (App) Sensor Circuit 2 Low Input
- DTC P2128: Accelerator Pedal Position (App) Sensor Circuit 2 High Input
- DTC P2131: Accelerator Pedal Position (App) Sensor Circuit 3 Range/Performance
- DTC P2132: Accelerator Pedal Position (App) Sensor Circuit 3 Low Input
- DTC P2133: Accelerator Pedal Position (App) Sensor Circuit 3 High Input
- DTC P2135: Etc Throttle Position (TP) Sensor A/B Voltage Correlation
- DTC P2195: Lack Of Ho2S-11 Switch, Sensor Indicates Lean
- DTC P2196: Lack Of Ho2S-11 Switch, Sensor Indicates Rich
- DTC P2270: Lack Of Ho2S-12 Switch, Sensor Indicates Lean
- DTC P2271: Lack Of Ho2S-12 Switch, Sensor Indicates Rich
- DTC P2279: Intake Air System Leak
- DTC P2418: Evaporative Emission Control System Switching Valve Control Circuit/Open
- DTC P2450: Evaporative Emission Control System Switching Valve Performance Or Stuck Open
- DTC P2515: A/C Pressure Switch (A/CPSW) Input High
- DTC P2521: A/C Request A Circuit High
- DTC P2524: A/C Request B Circuit High
- DTC P2531: Ignition Run Circuit Low
- DTC P2533: Ignition Switch Run/Start Position Circuit
- DTC P2535: Ignition Run/Start Circuit High
- DTC P2600: Heater Pump Control Relay (HPCR) Primary Circuit Malfunction
- DTC P2611: A/C Refrigerant Distribution Valve (ACRDV) Circuit Fault
- DTC P2612: A/C Refrigerant Distribution Valve Control Circuit Low
- DTC P2613: A/C Refrigerant Distribution Valve Control Circuit High
- DTC P2800: Transmission Range Sensor Circuit
- DTC P2801: Transmission Range Sensor Circuit Range/Performance
- DTC P2802: Transmission Range Sensor Circuit Low Input
- DTC P2803: Transmission Range Sensor Circuit High Input
- DTC P2805: Transmission Range Sensor Correlation
- DTC P2806: (Pcm) Transmission Range Sensor Alignment
- DTC P2806: (TCM) Transmission Range Sensor Alignment
- DTC Pxxxx: -
- DTC U0001: High Speed Can Communication Bus
- DTC U0073: Control Module Communication Bus Off
- DTC U0100: (TBCM) Lost Communication With ECM/Pcm A
- DTC U0100: (TCM) Lost Communication With ECM/Pcm A
- DTC U0101: (TBCM) Lost Communication With TCM
- DTC U0101: (Pcm) Lost Communication With TCM
- DTC U0111: (Pcm) Lost Communication With Traction Battery Control Module A
- DTC U0111: (TCM) Lost Communication With Traction Battery Control Module A
- DTC U0129: (Pcm) Lost Communication With Anti-Lock Brake System Control Module
- DTC U0129: (TCM) Lost Communication With Anti-Lock Brake System Control Module
- DTC U0155: Lost Communication With Instrument Cluster Control Module
- DTC U0294: Lost Communication With Powertrain Control Monitor (E-Quizzer) Module
- DTC U0300: (TBCM) Software Incompatibility With ECM
- DTC U0300: (Pcm) Internal Control Module Software Incompatibility
- DTC U0401: Invalid Data Received From Pcm
- DTC U0402: Invalid Data Received From TCM
- DTC U0418: Invalid Data Received From Anti-Lock Brake System Control Module
- DTC U2050: No Application Present
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.