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Home >> Infiniti >> 2017 >> Q50 Base, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 625 (Steering Control System (Diagnostics)) >> Ecu Diagnosis Information >> Power Steering Control Module >> DTC Inspection Priority Chart >> Without Direct Adaptive Steering System

Without Direct Adaptive Steering System

WARNING: This page is about a different car, the 2020 Infiniti Q50. However, it is still accessible from the selected car via links, so may be relevant.

When multiple DTCs are detected simultaneously, check one by one depending on the following priority list.

Priority

Priority order item (DTC)

1

  • C1601 BATTERY VOLT

2

  • C1602 NO TUNING SET
  • C1604 TORQUE SENSOR
  • C1606 EPS MOTOR
  • C1607 EEPROM
  • C1608 CONTROL UNIT

3

  • C1143 ST ANG SEN CIRCUIT
  • C1609 CAN VHCL SPEED
  • U140E Chassis control module

4

  • U1000 CAN COMM CIRCUIT
  • U1010 CONTROL UNIT (CAN)