Hyundai Car 1999-05

1.6L L4 VIN C Auto 4

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Trouble Code: P2096



Post Catalyst Fuel Trim System Too Lean (Bank 1)

Possible Causes:



Three way catalytic converter (TWC)
 
Rear HO2S
 

Trouble Code: P2097



Post Catalyst Fuel Trim System Too Rich (Bank 1)

Possible Causes:



Three way catalytic converter (TWC)
 
Rear HO2S
 

Trouble Code: P2187



Fuel Trim Malfunction System Too Lean At Idle (Additive)

Possible Causes:



Faulty ignition system
 
EVAP PCSV malfunction
 
Faulty fuel injectors
 
Leak in exhaust system
 
Faulty MAP, TPS, ECTS
 
Faulty front HO2S
 
Faulty PCM
 

Trouble Code: P2188



System Too Rich At Idle (Bank 1)

Possible Causes:



Faulty ignition system
 
EVAP PCSV malfunction
 
Faulty fuel injectors
 
Leak in exhaust system
 
Faulty MAP, TPS, ECTS
 
Faulty front HO2S
 
Faulty PCM
 

Trouble Code: P2191



System Too Lean At Higher Load (Multiple) (Bank 1)

Possible Causes:



Faulty ignition system
 
EVAP PCSV malfunction
 
Faulty fuel injectors
 
Leak in exhaust system
 
Faulty MAP, TPS, ECTS
 
Faulty front HO2S
 
Faulty PCM
 

Trouble Code: P2192



System Too Rich At Higher Load (Bank 1)

Possible Causes:



Faulty ignition system
 
EVAP PCSV malfunction
 
Faulty fuel injectors
 
Leak in exhaust system
 
Faulty MAP, TPS, ECTS
 
Faulty front HO2S
 
Faulty PCM
 

Trouble Code: P2400



Evaporative Emission System Leak Detection Pump Control Circuit/Open

Possible Causes:



Open in control circuit
 
Faulty DMTL
 
Faulty PCM
 

Trouble Code: P2401



Evaporative Emission System Leak Detection Pump Control Circuit Low

Possible Causes:



Open in control circuit
 
Short to ground in control circuit
 
Faulty DMTL
 
Faulty PCM
 

Trouble Code: P2402



Evaporative Emission System Leak Detection Pump Control Circuit High

Possible Causes:



Short to battery in control circuit
 
Faulty DMTL
 
Faulty PCM
 

Trouble Code: P2404



Evaporative Emission System Leak Detection Pump Sensor Circuit Range/Performance

Possible Causes:



Leakage on EVAP system
 
Faulty DMTL
 
Faulty PCM
 

Trouble Code: P2405



Evaporative Emission System Leak Detection Pump Sensor Circuit Low

Possible Causes:



Leakage on EVAP system
 
Faulty DMTL
 
Faulty PCM
 

Trouble Code: P2406



Evaporative Emission System Leak Detection Pump Sensor Circuit High

Possible Causes:



Leakage on EVAP system
 
Faulty DMTL
 
Faulty PCM
 

Trouble Code: P2407



Evaporative Emission System Leak Detection Pump Sensor Circuit Intermittent/Erratic

Possible Causes:



Leakage on EVAP system
 
Faulty DMTL
 
Faulty PCM
 

Trouble Code: P2418



Evaporative Emission System Switching Valve Control Circuit Open

Possible Causes:



Open in control circuit
 
Faulty DMTL
 
Faulty PCM
 

Trouble Code: P2419



Evaporative Emission System Switching Valve Control Circuit Low

Possible Causes:



Open in control circuit
 
Faulty DMTL
 
Faulty PCM
 

Trouble Code: P2420



Evaporative Emission System Switching Valve Control Circuit High

Possible Causes:



Short to battery in control unit
 
Faulty DMTL
 
Faulty PCM
 

Trouble Code: P0422



Catalyst Efficiency Below Normal (Bank 1)

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: P0440



EVAP System Malfunction

Possible Causes:



Charcoal canister is loaded with fuel or moisture
 
ECT, IAT, MAP or TP sensor signal is out-of-calibration
 
Fuel filler cap loose, cross-threaded, incorrect part or damaged
 
Fuel tank pressure sensor is damaged or has failed
 
Fuel tank vapor line(s) blocked, damaged or disconnected
 
Purge or Vent solenoid control circuit open or shorted to ground
 
PCM has failed
 

Trouble Code: P0703



Stop Lamp Switch Circuit Malfunction

Possible Causes:



Brake switch signal circuit is open or shorted to ground
 
Brake switch power circuit is open (check power from the relay)
 
Brake switch is damaged or has failed
 
TCM has failed
 

Trouble Code: P0705



Inhibitor (Park/Neutral) Switch Circuit Malfunction

Possible Causes:



P/N switch signal circuit is open or shorted to ground
 
P/N switch power circuit is open (check the power source)
 
P/N switch is out-of-adjustment, damaged or has failed
 
TCM has failed
 
TSB 01-40-020 (7/01) contains information about this code
 

Trouble Code: P0707



Transmission Range Switch Circuit Malfunction (Open)

Possible Causes:



TR sensor signal circuit is open between the switch and PCM
 
TR sensor is damaged or has failed
 
TCM has failed
 
TSB 01-40-020 (7/01) contains information about this code
 

Trouble Code: P0708



Transmission Range Switch Circuit Malfunction (Shorted)

Possible Causes:



TR sensor signal circuit is shorted to ground
 
TR sensor is damaged or has failed
 
TCM has failed
 
TSB 01-40-020 (7/01) contains information about this code
 

Trouble Code: P0712



Transmission Fluid Temperature Sensor Circuit High Input

Possible Causes:



TFT sensor signal circuit is open between sensor and PCM
 
TFT sensor ground circuit is open between sensor and PCM
 
TFT sensor is damaged or has failed
 
PCM has failed
 
TSB 00-40-10 (8/00) contains information about this code
 

Trouble Code: P0713



Transmission Fluid Temperature Sensor Circuit Low Input

Possible Causes:



TFT sensor signal circuit is shorted to ground
 
TFT sensor is damaged or has failed
 
PCM has failed
 
TSB 00-40-10 (8/00) contains information about this code
 

Trouble Code: P0715



Transmission Input Speed Shaft Sensor

Possible Causes:



Input speed sensor signal circuit is open or shorted to ground
 
Input speed sensor is damaged or has failed
 
TCM has failed
 
TSB 1-40-005 (3/01) contains information about this code
 

Trouble Code: P0717



A/T Pulse Generator 'A' Sensor Circuit Malfunction

Possible Causes:



A/T pulse generator 'A' (+) circuit is open or shorted to ground
 
A/T pulse generator 'A' (-) circuit is open or shorted to ground
 
A/T pulse generator 'B' is damaged or has failed
 
TCM has failed
 
TSB 01-40-006-1 (12/01) contains information about this code
 

Trouble Code: P0720



Transmission Output Speed Shaft Sensor

Possible Causes:



Output speed sensor signal circuit is open or shorted to ground
 
Output speed sensor is damaged or has failed
 
TCM has failed
 
TSB 1-40-005 (3/01) contains information about this code
 

Trouble Code: P0722



A/T Pulse Generator 'B' Sensor Circuit Malfunction

Possible Causes:



Pulse generator 'B' (+) or (-) circuit is open or shorted to ground
 
Pulse generator 'B' is damaged or has failed
 
TCM has failed
 
TSB 01-40-006-1 (12/01) contains information about this code
 

Trouble Code: P0731



A/T Incorrect 1st Gear Ratio

Possible Causes:



Solenoid or related pressure switch is damaged or has failed
 
Problems related to the Input Speed or Output Speed sensor
 
Low/Reverse clutch is damaged, leaking or has failed
 
Problems related to the transmission valve body
 

Trouble Code: P0732



A/T Incorrect 2nd Gear Ratio

Possible Causes:



Solenoid or related pressure switch is damaged or has failed
 
Problems related to the Input Speed or Output Speed sensor
 
Low/Reverse clutch is damaged, leaking or has failed
 
Problems related to the transmission valve body
 

Trouble Code: P0733



A/T Incorrect 3rd Gear Ratio

Possible Causes:



Solenoid or related pressure switch is damaged or has failed
 
Problems related to the Input Speed or Output Speed sensor
 
Low/Reverse clutch is damaged, leaking or has failed
 
Problems related to the transmission valve body
 

Trouble Code: P0734



A/T Incorrect 4th Gear Ratio

Possible Causes:



Solenoid or related pressure switch is damaged or has failed
 
Low/Reverse clutch is damaged, leaking or has failed
 
Problems related to the Input Speed or Output Speed sensor
 
Problems related to the transmission valve body
 

Trouble Code: P0735



A/T Incorrect 5th Gear Ratio

Possible Causes:



5th Gear or pressure switch is damaged or has failed
 
Low/Reverse clutch is damaged, leaking or has failed
 
Problems related to the Input Speed or Output Speed sensor
 
Problems related to the transmission valve body
 

Trouble Code: P0736



A/T Incorrect Reverse Gear Ratio

Possible Causes:



Reverse Gear is damaged or has failed
 
Low/Reverse clutch is damaged, leaking or has failed
 
Problems related to the Input Speed or Output Speed sensor
 
Problems related to the transmission valve body
 

Trouble Code: P0712



A/T Damper Clutch Control System Range/Performance

Possible Causes:



Damper Clutch solenoid is sticking or not operating properly
 
Damper Clutch solenoid valve is damaged or has failed
 
TSB 00-40-009 (8/00) contains information about this code
 

Trouble Code: P0742



A/T Damper Clutch Control System Circuit Malfunction

Possible Causes:



Damper Clutch solenoid control circuit is open
 
Damper Clutch solenoid valve is damaged or has failed
 
TSB 00-40-009 (8/00) contains information about this code
 

Trouble Code: P0743



A/T Damper Clutch Control System Circuit Malfunction

Possible Causes:



Damper Clutch solenoid control circuit is shorted to ground
 
Damper Clutch solenoid valve is damaged or has failed
 
TSB 00-40-009 (8/00) contains information about this code
 

Trouble Code: P0745



A/T Pressure Control Solenoid Circuit Malfunction

Possible Causes:



PCS (solenoid) control circuit is open
 
PCS (solenoid) is damaged or has failed
 
TCM is damaged or has failed
 
TSB 00-40-009 (8/00) contains information about this code
 

Trouble Code: P0747



A/T Pressure Control Solenoid Circuit Malfunction

Possible Causes:



PCS (solenoid) control circuit is open
 
PCS (solenoid) is damaged or has failed
 
TCM is damaged or has failed
 
TSB 00-40-009 (8/00) contains information about this code
 

Trouble Code: P0765



A/T Pressure Control Solenoid Circuit Malfunction

Possible Causes:



PCS (solenoid) control circuit is shorted to ground
 
PCS (solenoid) is damaged or has failed
 
TCM is damaged or has failed
 
TSB 00-40-009 (8/00) contains information about this code
 

 
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