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HOMESERVICE MANUALSHYUNDAI2013EQUUS ULTIMATEREPAIR AND DIAGNOSISBRAKESTRACTION CONTROLELECTRONIC STABILITY CONTROL DIAGNOSISDTC C1237: PRIMARY PRESSURE SENSOR-SIGNALGENERAL INFORMATIONDTC DETECTING CONDITION
2013 Hyundai Equus Ultimate

General Information: DTC Detecting Condition

2013 Hyundai Equus UltimateSECTION DTC Detecting Condition
Item Detecting Condition Possible Cause
Case 1 DTC Strategy
  • Signal offset monitoring
  1. Faulty pressure sensor (HECU)
Threshold value
  • when the absolute value of signal offset is above 8.0 bar
Fail-Safe
  • The ESC function is inhibited.
  • The ESC warning lamp is activated.
Case 2 DTC Strategy
  • Noise monitoring
Threshold value
  • when the total of signal noises is continuously above 195 mV
Fail-Safe
  • The BAS function is inhibited.
Case 3 DTC Strategy
  • Signal monitoring
Threshold value
  • when the difference between two signals is continuously above a certain value
Fail-Safe
  • The ESC function is inhibited.
  • The ESC warning lamp is activated.
RENDER: 1.0x

NO RELATED

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Stop DIY work and contact a certified mechanic immediately if any of the following apply:

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  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.