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Home >> Hyundai >> 2015 >> Sonata Eco >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 57 (Engine Control System Diagnosis (2 Of 2) (HEV)) >> DTC U029F: Lost Communication With Evaporative Emission System Leak Detection Control Module >> General Information >> DTC Detecting Condition

General Information: DTC Detecting Condition

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Item Detecting Condition Possible Cause
Case 1 DTC Strategy
  • No Message from NVLD
  1. NVLD Control Circuit error (Replace NVLD)
Enable Conditions
  • Repeated no response from NVLD
  • Repeated electrical failure
Threshold Value
  • No response
  • 3 time repeated failure at NVLD
Diagnostic Time
  • -
Mil On Condition
  • 2 driving cycle
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