Symptom Table

WARNING: This page is about a different car, the 2018 Nissan Titan XD and 2018 Nissan Titan. However, it is still accessible from the selected car via links, so may be relevant.

NOTE: If the front license plate is bent and not laying flat against the bumper, it can cause a false warning from the sonar system. Before performing diagnosis for a false warning, ensure that the front license plate is laying flat against the bumper and no other obstructions are within the detection range of the sonar sensors.

Symptom	Possible cause	Reference
Malfunction is detected in only 1 sensor of display (Always displayed in red).	Sonar sensor circuit Sonar sensor Sonar sensor obstruction	Diagnosis Procedure (front sonar sensor LH outer) Diagnosis Procedure (front sonar sensor LH inner) Diagnosis Procedure (front sonar sensor RH inner) Diagnosis Procedure (front sonar sensor RH outer) Diagnosis Procedure (rear sonar sensor LH outer) Diagnosis Procedure (rear sonar sensor LH inner) Diagnosis Procedure (rear sonar sensor RH inner) Diagnosis Procedure (rear sonar sensor RH outer) Removal and Installation - Front Sonar Sensors (removal and installation - front sonar sensors) Removal and Installation - Rear Sonar Sensors (removal and installation - rear sonar sensors) Front license plate (if equipped) is bent and obstructing the sensor area.
Malfunction is detected in all 4 front sensors of display (Always displayed in red).	Sonar sensors ground circuit	Diagnosis Procedure (front sonar sensor LH outer) Diagnosis Procedure (front sonar sensor LH inner) Diagnosis Procedure (front sonar sensor RH inner) Diagnosis Procedure (front sonar sensor RH outer)
Malfunction is detected in all 4 rear sensors of display (Always displayed in red).	Sonar sensors ground circuit	Diagnosis Procedure (rear sonar sensor LH outer) Diagnosis Procedure (rear sonar sensor LH inner) Diagnosis Procedure (rear sonar sensor RH inner) Diagnosis Procedure (rear sonar sensor RH outer)
Malfunction is detected in all 8 sensors of display (Always displayed in red).	Sonar control unit power supply and ground circuits CAN communication circuits	Diagnosis Procedure Trouble Diagnosis Flow Chart