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Home >> Infiniti >> 2017 >> QX30 Luxury, FWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (DTCS) (4 Of 5) >> DTC/Circuit Diagnosis >> DTC P0634: ECM Temperature >> DTC Description >> DTC Detection Logic
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DTC Detection Logic

DTC No. CONSULT screen terms DTC detecting condition
DTC
(Trouble diagnosis content)
Malfunction type
P0634 00 CONT MODULE INTERNAL TEMP A
(Control module internal temperature "A" too high)
NO SUBTYPE INFORMATION The temperature in the control unit is too high.