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DTC Detection Logic

WARNING: This page is about a different car, the 2008 Infiniti EX35. However, it is still accessible from the selected car via links, so may be relevant.
DTC DETECTING CONDITION TABLE

DTC No. (On board display) Trouble diagnosis name DTC detecting condition Possible cause
U0402 (122) TCM CAN CIR1 When a counter value of CAN signals received from TCM does not change. TCM
NOTE: If DTC "U0402" is detected along with DTC "U1000", first diagnose the DTC "U1000". Refer to DIAGNOSIS PROCEDURE  .
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