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Home >> Infiniti >> 2023 >> QX50 Autograph >> Repair and Diagnosis >> Engine Performance >> Testing & Diagnosis >> Engine Control System (DTC/Circuit Diagnosis) (3 Of 4) >> DTC/Circuit Diagnosis >> DTC P11AB: VCR Control Module Circuit >> DTC Description
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DTC Description

DTC DETECTION LOGIC 

DTC CONSULT screen terms (Trouble diagnosis content) DTC detection condition
P11AB 00 VCR control module circuit (Variable compression ratio control module circuit) Diagnosis condition Engine running at idle
Signal (terminal) -
Threshold
  • VCR actuator
  • Malfunction in VCR control module processor
Diagnosis delay time -

POSSIBLE CAUSE 

FAIL-SAFE 

These fail-safe may not be executed.