2005-2009 Ford Mustang Repair Manual:Fuel and Engine control systems:Trouble codes

OBD-II trouble codes

• Note: All codes do not apply to all models.

Trouble code	Most likely cause
P0010	Intake camshaft position actuator circuit open (Bank 1)
P0011	Intake camshaft position timing over-advanced (Bank 1)
P0012	Variable camshaft position over-retarded (Bank 1)
P0016	Crankshaft position-camshaft position correlation, sensor A (Bank 1)
P0018	Crankshaft position-camshaft position correlation, sensor A (Bank 2)
P0020	Intake camshaft position actuator circuit open (Bank 2)
P0021	Intake camshaft position timing over-advanced (Bank 2)
P0022	Intake camshaft position timing over retarded (Bank 2)
P0040	Upstream oxygen sensors swapped from bank to bank (crossed wiring harness)
P0041	Downstream oxygen sensors swamped from bank to bank (crossed wiring harness)
P0053	Upstream oxygen sensor 1 heater resistance, heater current requirements too low or too high (Bank 1)
P0054	Downstream oxygen sensor 2 heater resistance, heater current requirements too low or too high (Bank 1)
P0055	Downstream oxygen sensor 3 heater resistance, heater current requirements too low or too high (Bank 1)
P0059	Upstream oxygen sensor 1 heater resistance, heater current requirements too high or too low (Bank 2)
P0060	Downstream oxygen sensor 2 heater resistance, heater current requirements too low or too high (Bank 2)
P0061	Downstream oxygen sensor 3 heater resistance, heater current requirements too high or too low (Bank 2)
P0068	Throttle position sensor inconsistent with MAF sensor
P0097	Intake air temperature (IAT) sensor 2 circuit, low voltage
P0098	Intake air temperature (IAT) sensor 2 circuit, high voltage
P0102	Mass air flow sensor A circuit, low input
P0103	Mass air flow sensor A circuit, high input
P0104	Mass air flow sensor A circuit, intermittent or erratic
P0106	Manifold absolute pressure (MAP)/Barometric pressure (BARO) sensor circuit, range/performance problem
P0107	Manifold absolute pressure (MAP)/Barometric pressure (BARO) sensor circuit, low voltage detected
P0108	Manifold absolute pressure (MAP)/Barometric pressure (BARO) sensor circuit, high voltage detected
P0109	Manifold absolute pressure (MAP)/Barometric pressure (BARO) sensor circuit, intermittent
P0111	Intake air temperature (IAT) sensor 1 circuit, range or performance problem
P0112	Intake air temperature (IAT) sensor 1 circuit, low input
P0113	Intake air temperature (IAT) sensor 1 circuit, high input
P0114	Intake air temperature (IAT) sensor circuit, intermittent or erratic
P0116	Engine coolant temperature (ECT) sensor 1 circuit, range or performance problem
P0117	Engine coolant temperature (ECT) sensor 1 circuit, low input
P0118	Engine coolant temperature (ECT) sensor 1 circuit, high input
P0119	Engine coolant temperature (ECT) sensor 1 circuit, intermittent or erratic
P0121	Throttle position (TP1) sensor circuit, range or performance problem
P0121	Throttle position (TP)/ accelerator pedal position (APP) sensor circuit, range or performance problem
P0122	Throttle position (TP1) sensor circuit, low input
P0122	Throttle position (TP)/ accelerator pedal position (APP) sensor circuit, low input
P0123	Throttle position (TP1) sensor circuit, high input
P0123	Throttle position (TP)/ accelerator pedal position (APP) sensor circuit, high input
P0125	Insufficient coolant temperature for closed loop fuel control
P0127	Intake air temperature (IAT) sensor, temperature too high
P0128	Coolant thermostat, temperature below thermostat regulating temperature
P0131	Upstream oxygen sensor 1 circuit, out of range or low voltage (Bank 1)
P0132	Upstream oxygen sensor 1 circuit, high voltage (Bank 1)
P0133	Upstream oxygen sensor 1 circuit, slow response (Bank 1)
P0135	Upstream oxygen sensor 1 circuit, excessive current draw, open circuit or short circuit (bank 1)
P0136	Downstream oxygen sensor 2 circuit, circuit malfunction (Bank 1)
P0138	Downstream oxygen sensor 2 circuit, high voltage (Bank 1)
P0139	Downstream oxygen sensor 2 circuit, slow response (Bank 1)
P0141	Downstream oxygen sensor circuit 2, excessive current draw, open circuit or short circuit (Bank 1)
P0144	Downstream oxygen sensor circuit 3, high voltage (Bank 1)
P0147	Downstream oxygen sensor circuit 3, excessive current draw, open circuit or short circuit (Bank 1)
P0148	Fuel delivery error
P0151	Upstream oxygen sensor 1 circuit, out of range or low voltage (Bank 2)
P0152	Upstream oxygen sensor 1 circuit, high voltage (Bank 2)
P0153	Upstream oxygen sensor 1 circuit, slow response (Bank 2)
P0155	Upstream oxygen sensor 1 circuit, excessive current draw, open or short circuit (Bank 2)
P0156	Downstream oxygen sensor 2 circuit, circuit malfunction (Bank 2)
P0158	Downstream oxygen sensor 2 circuit, high voltage (Bank 2)
P0159	Downstream oxygen sensor 2 circuit, slow response (Bank 2)
P0161	Downstream oxygen sensor 2 circuit, excessive current draw, open or short circuit (Bank 2)
P0167	Downstream oxygen sensor 3 circuit, excessive current draw, open or short circuit (Bank 2)
P0171	System too lean (Bank 1)
P0172	System too rich (Bank 1)
P0174	System too lean (Bank 2)
P0175	System too rich (Bank 2)
P0180	Fuel temperature sensor A circuit malfuntion, high or low voltage
P0181	Fuel temperature sensor A circuit, range or performance problem
P0182	Fuel temperature sensor A circuit, low input
P0183	Fuel temperature sensor A circuit, high input
P0190	Fuel rail pressure (FRP) sensor circuit malfunction
P0191	Fuel rail pressure (FRP) sensor circuit, range or performance problem
P0192	Fuel rail pressure (FRP) sensor circuit, low input
P0193	Fuel rail pressure (FRP) sensor circuit, high input
P0196	Engine oil temperature (EOT) sensor circuit, range or performance problem
P0197	Engine oil temperature (EOT) sensor circuit, low input
P0198	Engine oil temperature (EOT) sensor circuit, high input
P0201	Injector #1 circuit malfunction
P0202	Injector #2 circuit malfunction
P0203	Injector #3 circuit malfunction
P0204	Injector #4 circuit malfunction
P0205	Injector #5 circuit malfunction
P0206	Injector #6 circuit malfunction
P0207	Injector #7 circuit malfunction
P0208	Injector #8 circuit malfunction
P0217	Engine coolant over-temperature condition
P0218	Transmission fluid temperature, over-temperature condition
P0219	Engine over-speed condition
P0221	Throttle position (TP) sensor circuit 2, range or performance problem
P0221	Throttle position (TP)/ Accelerator pedal position (APP) sensor B circuit, range or performance problem
P0222	Throttle position (TP)sensor 2 circuit, low input
P0222	Throttle position (TP)/ Accelerator pedal position (APP) sensor B circuit, low voltage
P0223	Throttle position (TP) sensor 2 circuit, high input
P0223	Throttle position (TP)/ Accelerator pedal position (APP) sensor B circuit, high voltage
P0230	Fuel pump primary circuit malfunction
P0231	Fuel pump secondary circuit, low voltage
P0232	Fuel pump secondary circuit, high voltage
P0261	Cylinder 1 injector circuit, low voltage
P0262	Cylinder 1 injector circuit, high voltage
P0264	Cylinder 2 injector circuit, low voltage
P0265	Cylinder 2 injector circuit, high voltage
P0267	Cylinder 3 injector circuit, low voltage
P0268	Cylinder 3 injector circuit, high voltage
P0270	Cylinder 4 injector circuit, low voltage
P0271	Cylinder 4 injector circuit, high voltage
P0273	Cylinder 5 injector circuit, low voltage
P0274	Cylinder 5 injector circuit, high voltage
P0276	Cylinder 6 injector circuit, low voltage
P0277	Cylinder 6 injector circuit, high voltage
P0279	Cylinder 7 injector circuit, low voltage
P0280	Cylinder 7 injector circuit, high voltage
P0282	Cylinder 8 injector circuit, low voltage
P0283	Cylinder 8 injector circuit, high voltage
P0297	Vehicle over- speed condition
P0298	Engine oil high temperature condition
P0300	Random misfire detected
P0301	Cylinder #1 misfire detected
P0302	Cylinder #2 misfire detected
P0303	Cylinder #3 misfire detected
P0304	Cylinder #4 misfire detected
P0305	Cylinder #5 misfire detected
P0306	Cylinder #6 misfire detected
P0307	Cylinder #7 misfire detected
P0308	Cylinder #8 misfire detected
P0310	Misfire detection monitor
P0315	PCM unable to learn crankshaft pulse wheel tooth spacing (exceeds allowable correction tolerances)
P0316	Misfire detected during first 1000 engine revolutions
P0320	Ignition engine speed input, cicuit malfunction
P0325	Knock sensor 1 circuit malfunction (Bank 1)
P0326	Knock sensor 1 circuit, range or performance problem (Bank 1)
P0330	Knock sensor 2 circuit malfunction (Bank 2)
P0331	Knock sensor 2 circuit, range or performance problem (Bank 2)
P0340	Camshaft position (CMP) sensor A, circuit malfunction (Bank 1 or single sensor)
P0344	Camshaft position (CMP) sensor A sensor intermittent (Bank 1 or single sensor)
P0345	Camshaft position (CMP) sensor A circuit malfunction (Bank 2)
P0349	Camshaft position (CMP) sensor A circuit intermittent (Bank 2)
P0350	Ignition coil (undetermined),primary or secondary circuit malfunction
P0351	Ignition coil A, primary or secondary circuit malfunction
P0352	Ignition coil B, primary or secondary circuit malfunction
P0353	Ignition coil C, primary or secondary circuit malfunction
P0354	Ignition coil D, primary or secondary circuit malfunction
P0355	Ignition coil E, primary or secondary circuit malfunction
P0356	Ignition coil F, primary or secondary circuit malfunction
P0357	Ignition coil G, primary or secondary circuit malfunction
P0358	Ignition coil H, primary or secondary circuit malfunction
P0400	Exhaust gas recirculation (EGR) flow failure (outside of min. or max. limits)
P0401	Exhaust gas recirculation (EGR) flow, insufficient flow detected
P0402	Exhaust gas recirculation (EGR) flow, excessive flow detected
P0403	Exhaust gas recirculation (EGR) control circuit
P0405	Differential pressure feedback exhaust gas recirculation sensor circuit, low voltage detected
P0406	Differential pressure feedback exhaust gas recirculation sensor circuit, high voltage detected
P0410	Secondary air injection system, lack of air flow detected
P0411	Secondary air injection system, incorrect upstream flow detected
P0412	Secondary air injection system, switching valve A circuit malfunction
P0420	Catalyst system efficiency below threshold (Bank 1)
P0430	Catalyst system efficiency below threshold (Bank 2)
P0442	Evaporative emission control system, small leak detected
P0443	Evaporative emission control system, canister purge control valve circuit malfunction
P0446	Evaporative emission control system, canister vent solenoid or control circuit malfunction
P0451	Evaporative emission control system, fuel tank pressure (FTP) sensor circuit, out of range or intermittent
P0452	Fuel tank pressure sensor circuit, low voltage detected
P0453	Fuel tank pressure sensor circuit, high voltage detected
P0454	Fuel tank pressure sensor circuit, circuit noisy
P0454	Evaporative emission system pressure sensor, intermittent circuit
P0455	Evaporative emission control system, leak detected (no purge flow or large leak)
P0456	Evaporative emission control system, very small leak detected
P0457	Evaporative emission control system, leak detected (fuel filler cap loose or off)
P0460	Fuel level sensor circuit malfunction
P0461	Fuel level sensor circuit, range or performance problem
P0462	Fuel level sensor circuit, low input
P0463	Fuel level sensor circuit, high input
P0480	Low fan control (LFC)/fan control 1 (FC1) primary circuit malfunction
P0481	High fan control (HFC)/fan control 3 (FC3) primary circuit malfuntion
P0481	Fan 2 control circuit
P0482	Medium fan control, primary circuit failure
P0482	Fan 3 control circuit
P0483	Fan performance
P0491	Secondary sir injection system, insufficient flow (Bank 1)
P0500	VSS]]) malfunction
P0503	Vehicle speed sensor circuit, intermittent, erratic or high voltage
P0505	Idle air control (IAC) system malfunction
P0506	Idle air control (IAC) system, RPM lower than expected
P0507	Idle air control (IAC) system, RPM high than expected
P050A	Cold start idle air control performance
P050B	Cold start ignition timing performance
P050E	Cold start engine exhaust temperature out of range
P0511	Idle air control system, circuit malfunction
P0512	Starter request circuit, short circuit
P0528	Fan speed sensor circuit, no signal
P0532	A/C pressure sensor, low voltage detected
P0533	A/C pressure sensor, high voltage detected
P0534	Low A/C cycling period or refrigerant charge loss (A/C compressor clutch cycling frequently)
P0537	A/C evaporator temperature (ACET) circuit, low input
P0538	A/C evaporator temperature (ACET) circuit, high input
P053A	positive crankcase ventilation (PCV) heater control circuit, open circuit
P0552	P/S pressure sensor circuit, low input
P0553	P/S pressure sensor circuit, high input
P0579	Cruise control multifunction input circuit, range or performance problem
P0581	Cruise control multifunction input circuit, high voltage
P0600	Serial communication link
P0602	Powertrain control module (PCM), programming error
P0603	Powertrain control module (PCM), internal keep alive memory error
P0604	Powertrain control module (PCM), internal control module RAM error
P0605	Powertrain control module (PCM), ROM error
P0606	Powertrain control module (PCM), internal communication error
P0607	Powertrain control module (PCM), performance problem
P060A	Powertrain control module (PCM), internal control module monitoring processor performance
P060B	Powertrain control module (PCM), internal control module analog to digital processing performance
P060C	Powertrain control module (PCM), internal control module main processor performance
P0610	Powertrain control module (PCM), vehicle options error
P061B	Powertrain control module (PCM), internal control module, torque calculation error
P061C	Powertrain control module (PCM), internal control module RPM performance, calculation error
P061D	Powertrain control module (PCM),internal control module engine air mass performance, calculation error
P061F	Powertrain control module (PCM), internal control module throttle accuator controller, performance error
P0620	Alternator control circuit failure
P0622	Alternator field terminal circuit failure
P0625	Alternator field terminal circuit, low voltage
P0626	Alternator field terminal circuit, high voltage
P062C	Powertrain control module (PCM) internal control module vehicle speed performance, calculation error
P0642	Sensor reference voltage circuit, low voltage
P0643	Sensor reference voltage circuit, high voltage
P0645	A/C clutch relay, control circuit malfunction
P0657	Actuator supply voltage circuit open
P0685	Powertrain control module (PCM) power relay control circuit, open circuit
P0689	Powertrain control module (PCM) power relay, low voltage
P0690	Powertrain control module (PCM) power relay, high voltage
P0703	Brake switch circuit input malfunction
P0704	Clutch pedal position switch input circuit malfunction
P0705	Transmission range sensor circuit failure
P0707	Transmission range sensor circuit, low voltage
P0708	Transmission range sensor circuit, open circuit
P0711	Transmission range sensor circuit, out of on board diagnostic range or failed sensor
P0712	Transmission fluid temp. sensor circuit, grounded circuit
P0713	Transmission fluid temp. sensor circuit, open circuit
P0715	Turbine speed sensor, insufficient input
P0717	Turbine speed sensor, insufficient input
P0718	Turbine speed sensor, noisy signal
P0720	Output shaft speed (OSS) sensor circuit open/shorted or insufficient input
P0721	Output shaft speed (OSS) sensor circuit, range or performance problem, noisy signal
P0722	Output shaft speed (OSS) sensor circuit, no signal or insufficient input
P0723	Output shaft speed (OSS) sensor circuit intermittent failure
P0731	1st gear ratio error
P0732	2nd gear ratio error
P0733	3rd gear ratio error
P0734	4th gear ratio error
P0735	5th gear ratio error
P0740	Torque converter clutch solenoid circuit failure during on-board diagnostics
P0741	Torque converter clutch solenoid circuit error or stuck off
P0743	Torque converter clutch solenoid circuit failure during on-board diagnostics
P0745	Pressure control solenoid A, circuit or solenoid fault
P0748	Pressure control solenoid A inoperative
P0750	Shift solenoid A,solenoid circuit failure
P0753	Shift solenoid A,solenoid circuit failure
P0755	Shift solenoid B,solenoid circuit failure
P0758	Shift solenoid B,solenoid circuit failure
P0760	Shift solenoid C,solenoid circuit failure
P0763	Shift solenoid C,solenoid circuit failure
P0765	Shift solenoid D,solenoid circuit failure
P0768	Shift solenoid D,solenoid circuit failure
P0775	Pressure control solenoid B, circuit or solenoid fault
P0778	Pressure control solenoid B inoperative
P0791	Intermediate shaft speed sensor signal failure
P0794	Intermediate shaft speed sensor intermittent signal
P0795	Pressure control solenoid C, circuit or solenoid fault
P0798	Pressure control solenoid C inoperative
P0830	Clutch pedal position sensor A circuit malfunction
P0833	Clutch pedal position sensor B circuit malfunction
P0840	Transmission fluid pressure sensor, circuit malfunction
P0960	Pressure control solenoid A, solenoid circuit malfunction
P0962	Pressure control solenoid A, solenoid shorted to ground or circuit failure
P0963	Pressure control solenoid A, solenoid shorted to battery power or ground
P0964	Pressure control solenoid B, solenoid circuit open
P0966	Pressure control solenoid B, solenoid shorted to ground, circuit failure
P0967	Pressure control solenoid B, solenoid shorted to battery power or to ground
P0968	Pressure control solenoid C, solenoid circuit open
P0970	Pressure control solenoid C, solenoid shorted to ground, circuit failure
P0971	Pressure control solenoid C, solenoid shorted to battery power or ground