Hyundai_Tucson_2005

TroubleCodes (8 of 11)

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2.7L V6 - Auto



2.7L V6 - Auto

Trouble Code: P0030

O2 Sensor Heater Control Circuit (Bank 1/Sensor 1)

Trouble Code Conditions: Check heater current. Internal resistance above threshold temperature (exhaust temperature, heater power).

Possible Causes:



Contaminated, deteriorated or aged sensor
 
Heater resistance out of range
 
Faulty HO2S heater
 
Faulty PCM
 
Misplaced, bent, loose or corroded terminals
 

Trouble Code: P0031

O2 Sensor Heater Circuit Low (Bank 1/Sensor 1)

Trouble Code Conditions: Heater check, low. Open or short circuit.

Possible Causes:



Open in battery and control circuit
 
Short to ground in control circuit (pin 48 to 36)
 
Faulty HO2S heater
 
Faulty PCM
 

Trouble Code: P0032

O2 Sensor Heater Circuit High (Bank 1/Sensor 1)

Trouble Code Conditions: Heater check, high. Short circuit.

Possible Causes:



Short to battery in control circuit
 
Faulty HO2S heater
 
Faulty PCM
 

Trouble Code: P0036

O2 Sensor Heater Control Circuit Bank 1/Sensor 2)

Trouble Code Conditions: Check heater current. Internal resistance above threshold temperature (exhaust temperature, heater power).

Possible Causes:



Contaminated, deteriorated or aged sensor
 
Heater resistance out of range
 
Faulty HO2S heater
 
Faulty PCM
 
Misplaced, bent, loose or corroded terminals
 

Trouble Code: P0037

O2 Sensor Heater Circuit Low (Bank 1/Sensor 2)

Trouble Code Conditions: Heater check, low. Open or short circuit.

Possible Causes:



Open in battery and control circuit
 
Short to ground in control circuit (pin 48 to 36)
 
Faulty HO2S heater
 
Faulty PCM
 

Trouble Code: P0038

O2 Sensor Heater Circuit High (Bank 1/Sensor 2)

Trouble Code Conditions: Heater check, high. Short circuit.

Possible Causes:



Short to battery in control circuit
 
Faulty HO2S heater
 
Faulty PCM
 

Trouble Code: P0050

OHO2S Heater Control Circuit High (Bank 2/Sensor 1)

Trouble Code Conditions: Evaluate O2 sensor element temperature via measuring element resistance. Sensor preheating and full heating phases finished.

Possible Causes:



Related fuse blown or missing
 
Heater control circuit open or short
 
Power supply circuit open or short
 
Contact resistance in connectors
 
Faulty HO2S
 

Trouble Code: P0051

OHO2S Heater Circuit Low (Bank 2/Sensor 1)

Trouble Code Conditions: Short circuit to ground on front HO2S heater line. Battery voltage above 10 volts.

Possible Causes:



Related fuse blown or missing
 
Open or short to ground in power supply or control harness
 
Contact resistance in connectors
 
Faulty HO2S
 

Trouble Code: P0052

OHO2S Heater Circuit High (Bank 2/Sensor 1)

Trouble Code Conditions: Open or short circuit to battery line on front HO2S heater line. Battery voltage above 10 volts.

Possible Causes:



Open or short to battery in control harness
 
Contact resistance in connectors
 
Faulty HO2S
 

Trouble Code: P0056

HO2S Heater Control Circuit (Bank 2/Sensor 2)

Trouble Code Conditions: Evaluate O2 sensor element temperature via measuring element resistance. Sensor preheating and full heating phases finished.

Possible Causes:



Related fuse blown or missing
 
Heater control circuit open or short
 
Power supply circuit open or short
 
Contact resistance in connections
 
Faulty HO2S
 

Trouble Code: P0057

HO2S Heater Circuit Low (Bank 2/Sensor 2)

Trouble Code Conditions: Check short circuit to ground on rear HO2S heater line.

Possible Causes:



Related fuse blown or missing
 
Open or short to ground in power supply or control harness
 
Contact resistance in connections
 
Faulty HO2S
 

Trouble Code: P0058

HO2S Heater Circuit High (Bank 2/Sensor 2)

Trouble Code Conditions: Check short circuit to ground on rear HO2S heater line.

Possible Causes:



Open or short to battery in control harness
 
Contact resistance in connections
 
Faulty HO2S
 

Trouble Code: P0101

Mass Airflow or Volume Airflow Sensor Performance

Trouble Code Conditions: Engine started, engine running at idle speed, and the PCM detected the MAF sensor signal was less than 0.5 volt, or with the engine speed more than 3000 rpm, the MAF sensor signal was more than 4.5 volts.

Possible Causes:



MAF sensor signal circuit is shorted to ground
 
MAF sensor signal circuit is shorted to VREF or system power
 
MAF sensor ground circuit is open between sensor and ground
 
MAF sensor is contaminated (dirty), damaged or has failed
 
PCM has failed
 

Trouble Code: P0102

Mass or Volume Airflow Sensor Circuit Low Input

Trouble Code Conditions: Engine started, engine runtime over 5 seconds, and the PCM detected the MAF sensor signal was less than 0.5 volt during the test.

Possible Causes:



MAF sensor signal circuit is open or shorted to ground
 
MAF sensor power (VREF) circuit is open or shorted to ground
 
MAF sensor is damaged or has failed
 
PCM has failed
 

Trouble Code: P0103

Volume Airflow Sensor Circuit High Input

Trouble Code Conditions: Engine runtime over 5 seconds, and the PCM detected the MAF sensor input was out of range high.

Possible Causes:



MAF sensor signal circuit is open between the sensor and PCM
 
MAF sensor signal circuit is shorted to VREF or system power
 
MAF sensor ground circuit is open between sensor and ground
 
MAF sensor is damaged or has failed
 
PCM has failed
 

Trouble Code: P0112

Intake Air Temperature Sensor Circuit High Input

Trouble Code Conditions: Key on or engine running, and the PCM detected the IAT sensor indicated more than 4.96 volot during the CCM test.

Possible Causes:



IAT sensor signal circuit is open between sensor and the PCM
 
IAT sensor ground circuit is open between sensor and the PCM
 
IAT sensor signal circuit is shorted to VREF or system power
 
IAT sensor is damaged or has failed
 
PCM has failed
 

Trouble Code: P0113

Intake Air Temperature Sensor Circuit Low Input

Trouble Code Conditions: Key on or engine runtime over 5 seconds, and the PCM detected the IAT sensor indicated less than 0.20 volt during the CCM test.

Possible Causes:



IAT sensor signal circuit is shorted to ground
 
IAT sensor is damaged or has failed
 
PCM has failed
 

Trouble Code: P0116

Engine Coolant Temperature Sensor Performance

Trouble Code Conditions: Engine started, engine runtime over20 minutes, and the PCM detected the ECT sensor signal tailed more than 68ºF from the model curve stored in memory (could be an intermittent fault). Note: Check for a possible problem related to the Cooling system.

Possible Causes:



ECT sensor circuit is open or shorted ground (intermittent fault)
 
ECT sensor ground circuit is open (an intermittent fault)
 
ECT sensor has drifted out of calibration or has failed
 
PCM has failed
 

Trouble Code: P0117

Engine Coolant Temperature Sensor Low Input

Trouble Code Conditions: Key on or engine runtime over 5 seconds, and the PCM detected that the ECT sensor input was less than 0.20 volt during the CCM test.

Possible Causes:



ECT sensor signal circuit is shorted to ground
 
ECT sensor is damaged or has failed
 
PCM has failed
 

Trouble Code: P0118

Engine Coolant Temperature Sensor High Input

Trouble Code Conditions: Key on or engine running, and the PCM detected the ECT sensor indicated more than 4.96 volts during the CCM test.

Possible Causes:



ECT sensor signal circuit is open between sensor and the PCM
 
ECT sensor ground circuit is open between sensor and PCM
 
ECT sensor signal circuit is shorted to VREF or system power
 
ECT sensor is damaged or has failed
 
PCM has failed
 

Trouble Code: P0121

Throttle Position Sensor Range/Performance

Trouble Code Conditions: Engine started, vehicle driven at a speed of over 20 mph, and the PCM detected the TP sensor input was incorrect when it was compared to the MAF sensor signal under these engine conditions.

Possible Causes:



TP sensor signal circuit open or shorted to ground (intermittent)
 
TP sensor is loose at it mounting or the throttle is binding
 
Throttle body or linkage is binding or sticking
 
TP sensor is damaged or has failed (perform a sweep test)
 
PCM has failed
 

Trouble Code: P0122

Throttle Position Sensor Circuit Low Input

Trouble Code Conditions: Engine started, engine runtime over 5 seconds, and the PCM detected the TP sensor signal was 0.2 volt or lower during the test.

Possible Causes:



TP sensor signal circuit is shorted to ground
 
TP sensor power circuit is open
 
TP sensor is damaged or has failed (perform a sweep test)
 
PCM has failed
 

Trouble Code: P0123

Throttle Position Sensor Circuit High Input

Trouble Code Conditions: Engine started, engine runtime over 5 seconds, and the PCM detected the TP sensor signal was 4.96 volts or higher during the test.

Possible Causes:



TP sensor signal circuit is open or shorted to VREF
 
TP sensor ground circuit is open between sensor and the PCM
 
TP sensor is damaged or has failed (perform a sweep test)
 
PCM has failed
 

Trouble Code: P0125

Excessive Time To Enter Closed Loop

Trouble Code Conditions: DTC P0115, P0116, P0117, P0118 and P0119 not set, engine started, engine runtime over 6 minutes, and the PCM detected the engine did not enter closed loop after an additional 30 seconds.

Possible Causes:



Check the operation of the thermostat (it may be stuck open)
 
ECT sensor has failed
 
Inspect for low coolant level or an incorrect coolant mixture
 

Trouble Code: P0128

Thermostat Malfunction Detected

Trouble Code Conditions: ECT sensor input less than 40ºF at startup, engine started, and the PCM detected the ECT sensor did not reach 167ºF after a normal warm up period had expired during the CCM Rationality test.

Possible Causes:



Check the operation of the thermostat (it may be stuck open)
 
ECT sensor is out-of-calibration or skewed
 
Inspect for low coolant level or for an incorrect coolant mixture
 
TSB 01-36-008 (5/01) contains information about this code
 

Trouble Code: P0130

HO2S-11 (Bank 1 Sensor 1) Circuit Malfunction

Trouble Code Conditions: Engine started, engine running in closed loop, and the PCM detected one of the following "failure" conditions existed: - HO2S signal was too high (more than 1.0 volt at idle speed) - HO2S signal was fixed from 350-600 mv - HO2S switch time from rich-to-lean or lean-to -rich was too long - HO2S input fixed at mid-range (from 350-550 mv)

Possible Causes:



HO2S signal circuit is open between the sensor and the PCM
 
HO2S signal circuit is shorted to sensor or chassis ground
 
HO2S signal circuit is shorted to VREF or system power (B+)
 
HO2S is damaged, contaminated or it has failed
 
PCM has failed
 

Trouble Code: P0131

HO2S-11 (Bank 1 Sensor 1) Circuit Low Input

Trouble Code Conditions: Engine started, engine running at cruise speed in closed loop for 2 minutes, and the PCM detected the HO2S-11 signal indicated less than 0.16 volt during the CCM test.

Possible Causes:



Low fuel pressure, fuel filter restricted or fuel injectors plugged
 
HO2S signal circuit is shorted to ground (an intermittent fault)
 
HO2S may be contaminated or it has failed
 
HO2S heater is damaged or has failed
 
PCM has failed
 

Trouble Code: P0132

HO2S-11 (Bank 1 Sensor 1) Circuit High Input

Trouble Code Conditions: Engine started, engine running in closed loop at cruise speed for 2 minutes, and the PCM detected the HO2S-11 signal indicated more than 1.20 volts during the CCM test.

Possible Causes:



Fuel pressure regulator leaking or fuel injectors leaking
 
HO2S signal circuit is shorted to the heater power circuit
 
HO2S may be contaminated or it has failed
 
HO2S heater is damaged or has failed
 
PCM has failed
 

Trouble Code: P0133

HO2S-11 (Bank 1 Sensor 1) Slow Response

Trouble Code Conditions: DTC P0135 not set, engine started, engine running at idle speed in closed loop, and PCM detected the HO2S-11 response time to switch from rich-to-lean or from lean-to-rich was over one second.

Possible Causes:



HO2S signal circuit is open or shorted to ground
 
HO2S element is contaminated or it has failed
 
HO2S heater is damaged or has failed
 
Intake air leaks, exhaust manifold leaks or PCV system leaks
 
MAF sensor out of calibration (it may be dirty or contaminated)
 

Trouble Code: P0134

HO2S-11 (Bank 1 Sensor 1) No Activity Detected

Trouble Code Conditions: DTC P0135 not set, engine started, engine at idle speed and running in closed loop, and the PCM detected the HO2S-11 signal remained fixed from 400-550 mv for more than 1 minute during the CCM test.

Possible Causes:



HO2S signal circuit is open or shorted to ground
 
HO2S element is contaminated or it has failed
 
HO2S heater is damaged or has failed
 
PCM has failed
 

Trouble Code: P0136

HO2S-12 (Bank 1 Sensor 2) Circuit Malfunction

Trouble Code Conditions: Engine started, running in closed loop, and the PCM detected an unexpected high voltage on the HO2S circuit; or the HO2S signal was fixed at mid-range (350-550 mv) or not switching properly.

Possible Causes:



HO2S signal circuit is open between the sensor and the PCM
 
HO2S signal circuit is shorted to sensor or chassis ground
 
HO2S signal circuit is shorted to VREF or system power (B+)
 
HO2S is damaged, contaminated or it has failed
 
PCM has failed
 

Trouble Code: P0137

HO2S-12 (Bank 1 Sensor 2) Circuit Low Input

Trouble Code Conditions: Engine started, engine running at cruise speed in closed loop for 2 minutes, and the PCM detected the HO2S-12 signal indicated less than 0.16 volt during the CCM test.

Possible Causes:



Low fuel pressure, fuel filter restricted or fuel injectors plugged
 
HO2S signal circuit is shorted to ground (an intermittent fault)
 
HO2S may be contaminated or it has failed
 
HO2S heater is damaged or has failed
 
PCM has failed
 

Trouble Code: P0138

HO2S-12 (Bank 1 Sensor 2) Circuit High Input

Trouble Code Conditions: Engine started, engine running in closed loop at cruise speed for 2 minutes, and the PCM detected the HO2S-12 signal indicated more than 1.20 volts during the CCM test.

Possible Causes:



Fuel pressure regulator leaking or fuel injectors leaking
 
HO2S signal circuit is shorted to the heater power circuit
 
HO2S may be contaminated or it has failed
 
HO2S heater is damaged or has failed
 
PCM has failed
 

Trouble Code: P0139

HO2S-12 (Bank 1 Sensor 2) Slow Response

Trouble Code Conditions: DTC P0141 not set, engine started, engine running at idle speed in closed loop, and PCM detected the HO2S-12 response time to switch from rich-to-lean or from lean-to-rich was over one second.

Possible Causes:



HO2S signal circuit is open or shorted to ground
 
HO2S element is contaminated or it has failed
 
HO2S heater is damaged or has failed
 
Intake air leaks, exhaust manifold leaks or PCV system leaks
 
MAF sensor out of calibration (it may be dirty or contaminated)
 

Trouble Code: P0140

HO2S-12 (Bank 1 Sensor 2) Circuit No Activity

Trouble Code Conditions: DTC P0141 not set, engine started, engine at idle speed and running in closed loop, and the PCM detected the HO2S-12 signal remained fixed from 400-550 mv for more than 1 minute during the CCM test.

Possible Causes:



HO2S signal circuit is open or shorted to ground
 
HO2S element is contaminated, damaged or has failed
 
PCM has failed
 

Trouble Code: P0150

HO2S-21 (Bank 2 Sensor 1) Circuit Malfunction

Trouble Code Conditions: Engine started, engine running in closed loop, and the PCM detected one of the following "failure" conditions were present: - The HO2S signal was too high (more than 1.0 volt) - The HO2S signal was fixed between 350-600 mv - The HO2S switch time was too long - The HO2S signal fixed at mid-range (350-550 mv)

Possible Causes:



HO2S signal circuit is open between the sensor and the PCM
 
HO2S signal circuit is shorted to sensor or chassis ground
 
HO2S signal circuit is shorted to VREF or system power (B+)
 
HO2S is damaged, contaminated or it has failed
 
PCM has failed
 

Trouble Code: P0152

HO2S-21 (Bank 2 Sensor 1) Circuit High Input

Trouble Code Conditions: Engine started, engine running in closed loop at cruise speed, and the PCM detected the HO2S-21 signal was more 1.20 volts in the test.

Possible Causes:



Fuel pressure regulator leaking or fuel injectors leaking
 
HO2S signal circuit is shorted to the heater power circuit
 
HO2S may be contaminated or it has failed
 
HO2S heater is damaged or has failed
 
PCM has failed
 

Trouble Code: P0153

HO2S-21 (Bank 2 Sensor 1) Slow Response

Trouble Code Conditions: DTC P0155 not set, engine started, engine running at idle speed in closed loop, and PCM detected the HO2S-12 response time to switch from rich-to-lean or from lean-to-rich was over one second.

Possible Causes:



HO2S signal circuit is open or shorted to ground
 
HO2S element is contaminated or it has failed
 
HO2S heater is damaged or has failed
 
Intake air leaks, exhaust manifold leaks or PCV system leaks
 
MAF sensor out of calibration (it may be dirty or contaminated)
 

Trouble Code: P0154

HO2S-21 (Bank 2 Sensor 1) No Activity Detected

Trouble Code Conditions: DTC P0141 not set, engine started, engine at idle speed and running in closed loop, and the PCM detected the HO2S-21 signal remained fixed from 400-550 mv for more than 1 minute during the CCM test.

Possible Causes:



HO2S signal circuit is open or shorted to ground
 
HO2S element is contaminated or it has failed
 
HO2S heater is damaged or has failed
 
PCM has failed
 

 
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