Hyundai Cars 2006-2008

1.6L L4 VIN C Auto 3

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Trouble Code: C1101



Battery Voltage High

Possible Causes:



Poor connection in power supply circuit (IGN+)
 
Faulty Alternator
 
Faulty ECU
 

Trouble Code: C1102



Battery Voltage Low

Possible Causes:



Poor connection in power supply circuit (IGN+)
 
Faulty ECU
 

Trouble Code: C1121



Sensor 1 Battery Voltage Low

Possible Causes:



TPMS Sensor 1 battery low
 
Faulty TPMS Sensor 1
 

Trouble Code: C1122



Sensor 2 Battery Voltage Low

Possible Causes:



TPMS Sensor 2 battery low
 
Faulty TPMS Sensor 2
 

Trouble Code: C1123



Sensor 3 Battery Voltage Low

Possible Causes:



TPMS Sensor 3 battery low
 
Faulty TPMS Sensor 3
 

Trouble Code: C1124



Sensor 4 Battery Voltage Low

Possible Causes:



TPMS Sensor 4 battery low
 
Faulty TPMS Sensor 4
 

Trouble Code: C1126



Vehicle Battery Voltage Low

Possible Causes:



Faulty charging system
 
Vehicle battery low
 
Faulty TPMS Receiver
 

Trouble Code: C1127



Vehicle Battery Voltage High

Possible Causes:



Faulty charging system
 
Vehicle battery high
 
Faulty TPMS Receiver
 

Trouble Code: C1200



Wheel Speed Sensor Front-LH Open/Short

Possible Causes:



Open or short of Wheel speed sensor circuit
 
Faulty Wheel speed sensor
 
Faulty HECU
 

Trouble Code: C1201



Wheel Speed Sensor Front-LH Range / Performance / Intermittent

Possible Causes:



Improper installation of wheel speed sensor.
 
Malfunction of wheel speed sensor.
 
Malfunction of rotor
 
Malfunction of wheel bearing.
 
Malfunction of wiring harness or connector.
 
Malfunction of HECU.
 

Trouble Code: C1202



Wheel Speed Sensor Front-LH Invalid/No Signal

Possible Causes:



Malfunction of wheel speed sensor
 
Improper installation of wheel speed sensor
 
Malfunction of rotor (excitor)
 
Malfunction of wiring harness or connector
 
Malfunction of HECU
 

Trouble Code: C1204



Wheel Speed Sensor Front-RH Range / Performance / Intermittent

Possible Causes:



Improper installation of wheel speed sensor.
 
Malfunction of wheel speed sensor.
 
Malfunction of rotor
 
Malfunction of wheel bearing.
 
Malfunction of wiring harness or connector.
 
Malfunction of HECU.
 

Trouble Code: C1205



Wheel Speed Sensor Front-RH Invalid/No Signal

Possible Causes:



Malfunction of wheel speed sensor
 
Improper installation of wheel speed sensor
 
Malfunction of rotor (excitor)
 
Malfunction of wiring harness or connector
 
Malfunction of HECU
 

Trouble Code: C1206



Wheel Speed Sensor Rear-LH Open/Short

Possible Causes:



Open or short of Wheel speed sensor circuit
 
Faulty Wheel speed sensor
 
Faulty HECU
 

Trouble Code: C1207



Wheel Speed Sensor Rear-LH Range / Performance / Intermittent

Possible Causes:



Improper installation of wheel speed sensor.
 
Malfunction of wheel speed sensor.
 
Malfunction of rotor
 
Malfunction of wheel bearing.
 
Malfunction of wiring harness or connector.
 
Malfunction of HECU.
 

Trouble Code: C1208



Wheel Speed Sensor Rear-LH Invalid/No Signal

Possible Causes:



Malfunction of wheel speed sensor
 
Improper installation of wheel speed sensor
 
Malfunction of rotor (excitor)
 
Malfunction of wiring harness or connector
 
Malfunction of HECU
 

Trouble Code: C1209



Wheel Speed Sensor Rear-RH Open/Short

Possible Causes:



Open or short of Wheel speed sensor circuit
 
Faulty Wheel speed sensor
 
Faulty HECU
 

Trouble Code: C1210



Wheel Speed Sensor Rear-RH Range / Performance / Intermittent

Possible Causes:



Improper installation of wheel speed sensor.
 
Malfunction of wheel speed sensor.
 
Malfunction of rotor
 
Malfunction of wheel bearing.
 
Malfunction of wiring harness or connector.
 
Malfunction of HECU.
 

Trouble Code: C1211



Wheel Speed Sensor Rear-RH Invalid/No Signal

Possible Causes:



Malfunction of wheel speed sensor
 
Improper installation of wheel speed sensor
 
Malfunction of rotor (excitor)
 
Malfunction of wiring harness or connector
 
Malfunction of HECU
 

Trouble Code: C1212



Vehicle Speed Sensor

Possible Causes:



Open in speed signal line
 
Faulty Speed sensor
 
Influx of noise
 

Trouble Code: C1300



LF / RF External Interference

Possible Causes:



LF/RF Interference from external sources(unless C1306 also exists as historic. If this is the case then interference source is likely to be internal to the vehicle)
 

Trouble Code: C1306



RF Internal Interference

Possible Causes:



Internal vehicle noise source
 

Trouble Code: C1312



Sensor 1 RF channel Failure

Possible Causes:



Sensor 1 in storage state.
 
Shielding in Sensor 1.
 

Trouble Code: C1313



Sensor 2 RF channel Failure

Possible Causes:



Sensor 2 in storage state.
 
Shielding in Sensor 2.
 

Trouble Code: C1314



Sensor 3 RF channel Failure

Possible Causes:



Sensor 3 in storage state.
 
Shielding in Sensor 3.
 

Trouble Code: C1315



Sensor 4 RF channel Failure

Possible Causes:



Sensor 4 in storage state.
 
Shielding in Sensor 4.
 

Trouble Code: C1322



Sensor 1 Over-Temperature

Possible Causes:



Damaged tire.
 
Excessive braking
 
Driving while the parking brake is on.
 

Trouble Code: C1323



Sensor 2 Over-Temperature

Possible Causes:



Damaged tire
 
Excessive braking
 
Driving while the parking brake is on.
 

Trouble Code: C1324



Sensor 3 Over-Temperature

Possible Causes:



Damaged tire
 
Excessive braking
 
Driving while the parking brake is on.
 

Trouble Code: C1325



Sensor 4 Over-Temperature

Possible Causes:



Damaged tire
 
Excessive braking
 
Driving while the parking brake is on.
 

Trouble Code: C1332



Sensor 1 Fault

Possible Causes:



Damage to Sensor 1
 
Faulty Sensor 1
 

Trouble Code: C1333



Sensor 2 Fault

Possible Causes:



Damage to Sensor 2
 
Faulty Sensor 2
 

Trouble Code: C1334



Sensor 3 Fault

Possible Causes:



Damage to Sensor 3
 
Faulty Sensor 3
 

Trouble Code: C1335



Sensor 4 Fault

Possible Causes:



Damage to Sensor 4
 
Faulty Sensor 4
 

Trouble Code: C1604



HECU Hardware

Possible Causes:



Malfunction of wiring harness or connector.
 
Malfunction of HECU.
 

Trouble Code: C1660



TPMS receiver RF circuit

Possible Causes:



Low Line - all sensors in storage state and no other RF transmissions received
 
Low Line - receiver RF shielding
 
Faulty TPMS Receiver module
 

Trouble Code: C1661



Receiver EEPROM Failure

Possible Causes:



Transient over voltage due to vehicle fault (fault would typically recover)
 
Faulty TPMS Receiver
 

Trouble Code: C1668



Internal Failure Detection

Possible Causes:



Transient over voltage due to vehicle fault (fault would typically recover)
 
Faulty TPMS Receiver
 

Trouble Code: C2112



Valve Relay Error

Possible Causes:



Malfunction of wiring harness or connector.
 
Malfunction of HECU.
 
Malfunction of valve relay
 
Poor ground.
 

Trouble Code: C2380



ABS/TCS/ESP Valve Error

Possible Causes:



Faulty HECU
 

 
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