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DTC Detection Logic

WARNING: This page is about a different car, the 2011 Infiniti EX35. However, it is still accessible from the selected car via links, so may be relevant.
DTC DETECTION LOGIC

DTC (On board display) Trouble diagnosis name DTC detecting condition Possible causes
C1A11 (11) PRESSURE CONTROL If the brake booster is malfunctioning Brake booster
NOTE: If DTC "C1A11" is detected along with DTC "U1000", first diagnose the DTC "U1000". Refer to "ICC SENSOR INTEGRATED UNIT : DTC LOGIC ".