P0698 - OBD II Trouble Code

Our automotive experts have put together the following information about the P0698 diagnostic trouble code. We've provided the common symptoms that occur when this code is set along with the frequent repairs that address the issues related to the P0698 code.

What Does P0698 Code Mean?

OBD-II Code P0698 is defined as a Sensor Reference Voltage "C" Circuit Low

The engine control module (PCM) sends out a 5 volt reference signal to all applicable engine sensors. If the PCM detects an issue with this signal, it will set code P0698.

P0698 Symptoms

• Engine may not start

Common Problems That Trigger the P0698 Code

• Engine sensor failure
• Powertrain Control Module (PCM) failure
• Wiring issue