Hyundai_Tucson_2005

TroubleCodes (3 of 11)

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2.0L L4 - Auto



Trouble Code: P0175

Fuel System Too Rich (Bank 2)

Trouble Code Conditions: Engine started, engine running at cruise speed for 3-5 minutes in closed loop, and the PCM detected the Fuel system was too rich (i.e., it was beyond a calibrated value stored in the PCM memory).

Possible Causes:



Base engine "mechanical" fault affecting one or more cylinders
 
EVAP system component has failed or canister fuel saturated
 
Exhaust leaks located in front of the HO2S location
 
Fuel control sensor is out of calibration (i.e., ECT, IAT or MAF)
 
Fuel delivery system supplying too much fuel during cruise or idle periods (e.g., faulty fuel pump, or faulty pressure regulator)
 
Fuel injector(s) is leaking or stuck partially open (one or more)
 
HO2S is contaminated, deteriorated or it has failed
 

Trouble Code: P0196

Engine Oil temperature Sensor Range/Performance

Trouble Code Conditions: Stuck oil temperature sensor signal or unusual low or high signal. Condition 1 (signal high or low), engine coolant temperature more than 158 degrees F and oil temperature less than 68 degrees F. Condition 2 (signal high or low), engine coolant temperature less than 158 degrees F and oil temperature above 212 degrees F. Condition 3 (stuck signal) engine coolant temperature less than 104 degrees F.

Possible Causes:



Contact resistance in connectors
 
faulty OTS
 

Trouble Code: P0197

Engine Oil temperature Sensor Low Input

Trouble Code Conditions: Signal voltage lower than the possible range of a properly operating OTS. Voltage range check. Engine coolant temperature less than 212 degrees F. Oil temperature above 309 degrees F.

Possible Causes:



Short circuit to ground
 
Contact resistance in connectors
 
faulty OTS
 

Trouble Code: P0198

Engine Oil temperature Sensor High Input

Trouble Code Conditions: Signal voltage higher than the possible range of a properly operating OTS. Voltage range check. Five minutes after engine start if engine coolant temperature less than 14 degrees F. Oil temperature minus 33 degrees F.

Possible Causes:



Open circuit to battery
 
Contact resistance in connectors
 
faulty OTS
 

Trouble Code: P0230

Fuel Pump Circuit Malfunction

Trouble Code Conditions: Key on, and then the PCM detected an unexpected voltage condition on the fuel pump circuit through the fuel pump monitoring input.

Possible Causes:



Fuel pump control circuit is open or shorted to ground
 
Fuel pump relay power circuit from ignition switch is open
 
Fuel pump relay is damaged or has failed
 
PCM has failed
 

Trouble Code: P0261

Cylinder 1- Injector Circuit Low

Trouble Code Conditions: The PCM sets the DTC if the control circuit is shorted to ground. Driver stage check.

Possible Causes:



Open in power supply harness
 
Short to ground in control harness
 
Contact resistance in connectors
 
Faulty injector
 

Trouble Code: P0262

Cylinder 1- Injector Circuit High

Trouble Code Conditions: The PCM sets the DTC if the control circuit is open or shorted to battery voltage. Driver stage check.

Possible Causes:



Open or short to battery control harness
 
Contact resistance in connectors
 
Faulty injector
 

Trouble Code: P0264

Cylinder 2- Injector Circuit Low

Trouble Code Conditions: The PCM sets the DTC if the control circuit is shorted to ground. Driver stage check.

Possible Causes:



Open in power supply harness
 
Short to ground in control harness
 
Contact resistance in connectors
 
Faulty injector
 

Trouble Code: P0265

Cylinder 2- Injector Circuit High

Trouble Code Conditions: The PCM sets the DTC if the control circuit is open or shorted to battery voltage. Driver stage check.

Possible Causes:



Open or short to battery control harness
 
Contact resistance in connectors
 
Faulty injector
 

Trouble Code: P0267

Cylinder 3- Injector Circuit Low

Trouble Code Conditions: The PCM sets the DTC if the control circuit is shorted to ground. Driver stage check.

Possible Causes:



Open in power supply harness
 
Short to ground in control harness
 
Contact resistance in connectors
 
Faulty injector
 

Trouble Code: P0268

Cylinder 3- Injector Circuit High

Trouble Code Conditions: The PCM sets the DTC if the control circuit is open or shorted to battery voltage. Driver stage check.

Possible Causes:



Open or short to battery control harness
 
Contact resistance in connectors
 
Faulty injector
 

Trouble Code: P0270

Cylinder 4- Injector Circuit Low

Trouble Code Conditions: The PCM sets the DTC if the control circuit is shorted to ground. Driver stage check.

Possible Causes:



Open in power supply harness
 
Short to ground in control harness
 
Contact resistance in connectors
 
Faulty injector
 

Trouble Code: P0271

Cylinder 4- Injector Circuit High

Trouble Code Conditions: The PCM sets the DTC if the control circuit is open or shorted to battery voltage. Driver stage check.

Possible Causes:



Open or short to battery control harness
 
Contact resistance in connectors
 
Faulty injector
 

Trouble Code: P0300

Multiple Misfire Detected

Trouble Code Conditions: Engine started, vehicle driven to over 3 mph at an engine speed of 400-3500 rpm, and the PCM detected irregular CKP sensor signals indicating a misfire condition in two or more cylinders was present during the 200-revolution or 1000-revolution Misfire Monitor test. Note: If the misfire is severe, the MIL will flash on/off on the 1st trip!

Possible Causes:



Ignition system or fuel metering fault in 2 or more cylinders
 
Fuel pressure too low or too high, fuel supply contaminated
 
CKP/CMP signals, EVAP canister saturated, EGR valve stuck
 

Trouble Code: P0301

Cylinder 1 Misfire Detected

Trouble Code Conditions: Engine started, vehicle driven to over 3 mph at an engine speed of 400-3500 rpm, and the PCM detected irregular CKP sensor signals indicating a misfire condition in one cylinder was present during the 200-revolution or 1000-revolution Misfire Detection Monitor test. Note: If the misfire is severe, the MIL will flash on/off on the 1st trip!

Possible Causes:



Base engine mechanical fault that affects only one cylinder
 
Fuel metering fault that affects only one cylinder
 
EGR valve is stuck open or the PCV system has a vacuum leak
 
Ignition system fault (i.e., a coil) that affects only one cylinder
 

Trouble Code: P0302

Cylinder 2 Misfire Detected

Trouble Code Conditions: Engine started, vehicle driven to over 3 mph at an engine speed of 400-3500 rpm, and the PCM detected irregular CKP sensor signals indicating a misfire condition in one cylinder was present during the 200-revolution or 1000-revolution Misfire Detection Monitor test. Note: If the misfire is severe, the MIL will flash on/off on the 1st trip!

Possible Causes:



Base engine mechanical fault that affects only one cylinder
 
Fuel metering fault that affects only one cylinder
 
EGR valve is stuck open or the PCV system has a vacuum leak
 
Ignition system fault (i.e., a coil) that affects only one cylinder
 

Trouble Code: P0303

Cylinder 3 Misfire Detected

Trouble Code Conditions: Engine started, vehicle driven to over 3 mph at an engine speed of 400-3500 rpm, and the PCM detected irregular CKP sensor signals indicating a misfire condition in one cylinder was present during the 200-revolution or 1000-revolution Misfire Detection Monitor test. Note: If the misfire is severe, the MIL will flash on/off on the 1st trip!

Possible Causes:



Base engine mechanical fault that affects only one cylinder
 
Fuel metering fault that affects only one cylinder
 
EGR valve is stuck open or the PCV system has a vacuum leak
 
Ignition system fault (i.e., a coil) that affects only one cylinder
 

Trouble Code: P0304

Cylinder 4 Misfire Detected

Trouble Code Conditions: Engine speed from 400-3500 rpm, VSS input over 3 mph, and the PCM detected irregular CKP inputs indicating a misfire condition in one cylinder during the 200-revolution or 1000-revolution test period. Note: If the misfire is severe, the MIL will flash on/off on the 1st trip!

Possible Causes:



Base engine mechanical fault that affects only one cylinder
 
Fuel metering fault that affects only one cylinder
 
EGR valve is stuck open or the PCV system has a vacuum leak
 
Ignition system fault (i.e., a coil) that affects only one cylinder
 

Trouble Code: P0305

Cylinder 5 Misfire Detected

Trouble Code Conditions: Engine started, vehicle driven to over 3 mph at an engine speed of 400-3500 rpm, and the PCM detected irregular CKP sensor signals indicating a misfire condition in one cylinder was present during the 200-revolution or 1000-revolution Misfire Detection Monitor test. Note: If the misfire is severe, the MIL will flash on/off on the 1st trip!

Possible Causes:



Base engine mechanical fault that affects only one cylinder
 
Fuel metering fault that affects only one cylinder
 
EGR valve is stuck open or the PCV system has a vacuum leak
 
Ignition system fault (i.e., a coil) that affects only one cylinder
 

Trouble Code: P0306

Cylinder 6 Misfire Detected

Trouble Code Conditions: Engine started, vehicle driven to over 3 mph at an engine speed of 400-3500 rpm, and the PCM detected irregular CKP sensor signals indicating a misfire condition in one cylinder was present during the 200-revolution or 1000-revolution Misfire Detection Monitor test. Note: If the misfire is severe, the MIL will flash on/off on the 1st trip!

Possible Causes:



Base engine mechanical fault that affects only one cylinder
 
Fuel metering fault that affects only one cylinder
 
EGR valve is stuck open or the PCV system has a vacuum leak
 
Ignition system fault (i.e., a coil) that affects only one cylinder
 

Trouble Code: P0315

Segment Time Acquisition Incorrect

Trouble Code Conditions: A misfire induces a decrease in the engine speed and causes a variation in the segment period. Monitor segment time adaptation.

Possible Causes:



Improperly installed target wheel
 
Contact resistance in connectors
 

Trouble Code: P0320

Ignition Failure Sensor Circuit Malfunction

Trouble Code Conditions: Engine started, engine runtime over 2 seconds, and the PCM detected a problem in the Ignition Failure Sensor or its circuit.

Possible Causes:



Ignition failure sensor circuit is open or shorted to ground
 
Ignition failure sensor is damaged or has failed
 
PCM has failed
 

Trouble Code: P0325

Knock Sensor 1 Circuit Malfunction

Trouble Code Conditions: Engine started, engine running, and the PCM detected an unexpected voltage condition on the Knock Sensor 1 circuit.

Possible Causes:



KS signal circuit is open, shorted to ground or to system power
 
KS ground circuit is open between sensor and PCM
 
Knock sensor is damaged or it has failed
 
PCM has failed
 

Trouble Code: P0326

Knock Sensor 2 Range/Performance

Trouble Code Conditions: Engine started, vehicle driven with the engine speed over 3000 rpm, ECT sensor more than 104ºF, engine load over 2.5 ms, and the PCM detected an unexpected (intermittent) Knock Sensor 2 signal with the engine running as described during the CCM test.

Possible Causes:



KS signal circuit is open, shorted to ground or to system power
 
Knock sensor is damaged or it has failed (an intermittent fault)
 
PCM has failed
 

Trouble Code: P0330

Knock Sensor 2 Circuit Malfunction

Trouble Code Conditions: Engine started, engine running, and the PCM detected an unexpected voltage condition on the Knock Sensor 2 circuit.

Possible Causes:



KS signal circuit is open, shorted to ground or to system power
 
KS ground circuit is open between sensor and PCM
 
Knock sensor is damaged or it has failed
 
PCM has failed
 

Trouble Code: P0335

Crankshaft Position Sensor 'A' Circuit Malfunction

Trouble Code Conditions: Engine cranking for over 2 seconds, CMP sensor signals detected, and the PCM did not receive any CKP sensor signals during the test.

Possible Causes:



CKP (Magnetic) sensor signal (+) or (-) circuit is open or shorted to ground between the sensor and the PCM
 
CKP (Magnetic) sensor signal is damaged or has failed
 
PCM has failed
 

Trouble Code: P0340

Camshaft Position Sensor Circuit Malfunction

Trouble Code Conditions: Engine cranking for over 2 seconds, and the PCM detected an invalid or irregular CMP signal, or it did not detect any CMP signals.

Possible Causes:



CMP (Resistor) sensor signal circuit open or shorted to ground
 
CMP (Resistor) sensor ground circuit is open
 
CMP (Resistor) sensor power circuit open (test power to relay)
 
CMP (Resistor) sensor is damaged or has failed
 
PCM has failed
 

Trouble Code: P0350

Ignition Coil Primary or Secondary Circuit Malfunction

Trouble Code Conditions: Engine started, engine running, and the PCM detected an unexpected voltage condition on the Ignition Coil primary or secondary circuit during the CCM test.

Possible Causes:



Ignition Coil 1, 2 or 3 primary/secondary circuit open or shorted
 
Ignition Coil power circuit is open (test power from the relay)
 
Ignition Coil 1, 2 or 3 is damaged or has failed
 
PCM has failed
 

Trouble Code: P0351

Ignition Coil 'A' Circuit Malfunction

Trouble Code Conditions: Engine started, engine running, and the PCM detected an unexpected voltage condition on the Ignition Coil 'A' primary circuit.

Possible Causes:



Ignition Coil 'A' primary circuit is open or shorted to ground
 
Ignition Coil 'A' power circuit is open (test power from I/P fuse)
 
Ignition Coil 'A' is damaged or has failed
 
PCM has failed
 

Trouble Code: P0352

Ignition Coil 'B' Circuit Malfunction

Trouble Code Conditions: Engine started, engine running, and the PCM detected an unexpected voltage condition on the Ignition Coil 'B' primary circuit.

Possible Causes:



Ignition Coil 'B' primary circuit is open or shorted to ground
 
Ignition Coil 'B' power circuit is open (test power from I/P fuse)
 
Ignition Coil 'B' is damaged or has failed
 
PCM has failed
 

Trouble Code: P0353

Ignition Coil 'C' Circuit Malfunction

Trouble Code Conditions: Engine started, engine running, and the PCM detected an unexpected voltage condition on the Ignition Coil 'C' primary circuit.

Possible Causes:



Ignition Coil 'C' primary circuit is open or shorted to ground
 
Ignition Coil 'C' power circuit is open (test power from I/P fuse)
 
Ignition Coil 'C' is damaged or has failed
 
PCM has failed
 

Trouble Code: P0354

Ignition Coil 'D' Circuit Malfunction

Trouble Code Conditions: Engine started, engine running, and the PCM detected an unexpected voltage condition on the Ignition Coil 'D' primary circuit.

Possible Causes:



Ignition Coil 'D' primary circuit is open or shorted to ground
 
Ignition Coil 'D' power circuit is open (test power from I/P fuse)
 
Ignition Coil 'D' is damaged or has failed
 
PCM has failed
 

Trouble Code: P0355

Ignition Coil 'E' Circuit Malfunction

Trouble Code Conditions: Engine started, engine running, and the PCM detected an unexpected voltage condition on the Ignition Coil 'E' primary circuit.

Possible Causes:



Ignition Coil 'E' primary circuit is open or shorted to ground
 
Ignition Coil 'E' power circuit is open (test power from I/P fuse)
 
Ignition Coil 'E' is damaged or has failed
 
PCM has failed
 

Trouble Code: P0356

Ignition Coil 'F' Circuit Malfunction

Trouble Code Conditions: Engine started, engine running, and the PCM detected an unexpected voltage condition on the Ignition Coil 'F' primary circuit.

Possible Causes:



Ignition Coil 'F' primary circuit is open or shorted to ground
 
Ignition Coil 'F' power circuit is open (test power from I/P fuse)
 
Ignition Coil 'F' is damaged or has failed
 
PCM has failed
 

Trouble Code: P0420

Catalyst Efficiency Below Normal (Bank 1)

Trouble Code Conditions: Engine started, vehicle driven at a speed of 45-60 mph for 8-10 minutes in closed loop, and the PCM detected the rear HO2S-12 switch rate was similar to the front HO2S-11 switch rate for over 3 seconds under these conditions during the Catalyst Monitor test.

Possible Causes:



Air leaks at the exhaust manifold or in the exhaust pipes
 
Catalytic converter is contaminated, damaged or has failed
 
Front HO2S is older (aged) than the rear HO2S (HO2S is lazy)
 
Front HO2S or rear HO2S is contaminated with fuel or moisture
 

Trouble Code: P0430

Catalyst Efficiency Below Normal (Bank 2)

Trouble Code Conditions: Engine started, vehicle driven at a speed of 45-60 mph for 8 minutes in closed loop, and the PCM detected the rear HO2S-22 switch rate was similar to the front HO2S-21 switch rate for over 3 seconds.

Possible Causes:



Air leaks at the exhaust manifold or in the exhaust pipes
 
Catalytic converter is contaminated, damaged or has failed
 
Front HO2S is older (aged) than the rear HO2S (HO2S is lazy)
 
Front HO2S or rear HO2S is contaminated with fuel or moisture
 

Trouble Code: P0441

EVAP System Incorrect Purge Flow (Stuck Open)

Trouble Code Conditions: Engine started, vehicle driven at a speed of 35-40 for 5-10 minutes under light engine load conditions, then with the Purge solenoid commanded "on" and then "off", the PCM detected the Purge solenoid valve remained "open" during the EVAP Monitor flow test. Note: This is a "functionality" test of the EVAP system (flow test).

Possible Causes:



Charcoal canister is damaged, clogged or restricted
 
Purge solenoid control circuit open, shorted to ground or power
 
Purge solenoid power circuit is open (check the relay or fuse)
 
Purge valve vacuum line is clogged or contains water or debris
 
Fuel filler cap loose, cross-threaded, incorrect part or damaged
 
Fuel tank or fuel tank sender assembly 'O' ring is leaking
 
Fuel tank vapor line(s) blocked, damaged or disconnected
 
PCM has failed
 

Trouble Code: P0442

EVAP System Large Leak (0.040") Detected

Trouble Code Conditions: Cold startup requirement met (ECT sensor from 14-90ºF and the IAT sensor more than 14ºF), engine started, vehicle driven at a speed of over 20 mph, and the PCM detected a leak (from 0.040 to 0.080) somewhere in the EVAP system during the EVAP Monitor test.

Possible Causes:



Canister Purge valve is damaged, leaking or it has failed
 
Charcoal canister is loaded with fuel or moisture
 
Fuel filler cap loose, cross-threaded, incorrect part or damaged
 
Fuel tank is cracked (leaking), or a leak exists in the 'O' ring
 
Fuel tank pressure sensor is damaged or has failed
 
Fuel vapor line(s), fuel pipes or hoses damaged or leaking
 
Purge solenoid or vent solenoid damaged, leaking or sticking
 
PCM has failed
 

Trouble Code: P0443

EVAP Purge Solenoid Circuit Malfunction

Trouble Code Conditions: Engine started, engine running for 2-3 minutes, and the PCM detected an unexpected voltage condition on the Purge solenoid circuit during the CCM test.

Possible Causes:



Purge solenoid control circuit is open or shorted to ground
 
Purge solenoid power circuit is open (check the power source)
 
Purge control solenoid is damaged or has failed
 
PCM has failed
 

Trouble Code: P0444

EVAP Purge Solenoid Circuit Malfunction (Open)

Trouble Code Conditions: Engine started, engine running at idle speed, and the PCM detected an unexpected "low" voltage condition on the EVAP Purge solenoid circuit as the solenoid was commanded "on" and "off" in the test.

Possible Causes:



Purge solenoid control circuit open between solenoid and PCM
 
Purge solenoid power circuit is open (check the power source)
 
Purge control solenoid is damaged or has failed
 
PCM has failed
 

 
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