Hyundai Santa Fe 2001-05

2.4L L4 - Auto 5

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Trouble Code: P01154



HO2S-21 (Bank 2 Sensor 1) Transition Time Switch

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: P01155



Electronic Throttle System Limp Home Valve Circuit Malfunction

Possible Causes:



ETS limp home valve control circuit is open or grounded
 
ETS limp home valve control circuit is shorted to system power
 
ETS limp home valve is damaged or has failed
 
PCM has failed
 

Trouble Code: P01372



PCM Segment Time Acquisition Incorrect

Possible Causes:



Target wheel in the crankshaft installed incorrectly
 
CKP sensor signal erratic or invalid
 
CKP sensor signal circuit open or grounded (intermittent fault)
 

Trouble Code: P01510



Idle Speed Control Actuator Opening Coil Circuit Shorted

Possible Causes:



Idle speed actuator opening coil circuit shorted to system power (B+)
 
Idle speed actuator is damaged or has failed
 
PCM has failed
 

Trouble Code: P01513



Idle Speed Control Actuator Opening Coil Circuit Open

Possible Causes:



Idle speed actuator opening coil circuit open or shorted to ground
 
Idle speed actuator is damaged or has failed
 
PCM has failed
 

Trouble Code: P01521



Power Steering Switch Input Circuit Malfunction

Possible Causes:



Power steering pressure switch circuit open, shorted to ground, shorted to VREF, or shorted to system power (B+)
 
Power steering pressure switch is damaged or has failed
 
PCM has failed
 

Trouble Code: P01529



Customer Snapshot Request Error

Possible Causes:



Transmission control module error
 
Check for trouble codes in the transmission control module
 
TSB 1-40-005 (3/01) contains information about this code
 

Trouble Code: P01552



Idle Speed Control Actuator Closing Coil Circuit Shorted

Possible Causes:



Idle speed actuator closing coil circuit shorted to system power
 
Idle speed actuator is damaged or has failed
 
PCM has failed
 

Trouble Code: P01553



Idle Speed Control Actuator Closing Coil Circuit Open

Possible Causes:



Idle speed actuator closing coil circuit is open or shorted to ground
 
Idle speed actuator is damaged or has failed
 
PCM has failed
 

Trouble Code: P01602



Serial Communication Problem With The TCM

Possible Causes:



CAN network circuit open or shorted to ground
 
CAN network circuit shorted to VREF or system power (B+)
 
TCM has failed
 

Trouble Code: P01605



Rough Road Sensor Circuit Malfunction

Possible Causes:



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

Trouble Code: P01606



Rough Road Sensor Circuit Not Valid

Possible Causes:



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

Trouble Code: P01611



MIL Request Signal Circuit Low Input

Possible Causes:



MIL request circuit between the PCM and TCM is open or shorted to ground
 

Trouble Code: P01613



MIL Request Signal Circuit High Input

Possible Causes:



MIL request circuit between the PCM and TCM is shorted to system power
 

Trouble Code: P01624



Cooling Fan Relay Low Circuit

Possible Causes:



Cooling Fan Relay control circuit open or shorted to ground
 
Cooling Fan Relay power circuit from Main Relay is open
 
Cooling Fan Relay is damaged or has failed
 
PCM has failed
 
TSB 00-36-013 (9/00) contains information about this code
 

Trouble Code: P01625



Cooling Fan Relay High Circuit Malfunction

Possible Causes:



Cooling Fan Relay control circuit shorted to system power (B+)
 
Cooling Fan Relay is damaged or has failed
 
PCM has failed
 

 
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