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Home >> Hyundai >> 2015 >> Sonata Eco >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 56 (Low Dc/Dc Converter Diagnosis (HEV)) >> DTC P0A94: DC/DC Converter Performance >> General Information >> DTC Detecting Condition

General Information: DTC Detecting Condition

WARNING: This page is about a different variant/trim than selected.
Item Detecting Condition Possible cause
CASE1 DTC Strategy
  • Monitoring the output voltage of LDC
  1. Faulty LDC.
Enable conditions
  • Ignition ON (SSB LED "BLUE").
  • Aux. Battery Voltage is between 9V and 16V
 -
Threshold value
  • The difference between the DC-DC converter desired output voltage and actual output voltage is 1 V or more for at least 10 seconds.
 -
Diagnosis Time
  • 10s
 -
DTC
  • 1 Driving Cycle
 -
MIL On Condition
  • -
 -
Service Lamp Condition
  • 1 Driving Cycle
 -
CASE2 DTC Strategy
  • Monitoring the output voltage of LDC
 -
Enable conditions
  • Ignition ON (SSB LED "BLUE").
  • Aux. Battery Voltage is between 9V and 16V
 -
Threshold value
  • The input voltage of DC-DC converter is less than 100V.
 -
Diagnosis Time
  • 1s
 -
DTC
  • 1 Driving Cycle
 -
MIL On Condition
  • -
 -
Service Lamp Condition
  • 1 Driving Cycle
 -
CASE3 DTC Strategy
  • Monitoring the output current of LDC
 -
Enable conditions
  • Ignition ON (SSB LED "BLUE").
  • Aux. Battery Voltage is between 9V and 16V
 -
Threshold value
  • Detected that output and current is over the HW acceptable range (over 220A)
 -
Diagnosis Time
  • Immediately
 -
DTC
  • 1 Driving Cycle
 -
MIL On Condition
  • -
 -
Service Lamp Condition
  • 1 Driving Cycle
 -
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