What does code P1689 mean?

Q: What does code P1689 mean?

Oil Pressure Control Solenoid Circuit. P1689 on Mazda vehicles indicates that the powertrain control module (PCM) has detected an electrical fault in the oil pressure control solenoid circuit, which regulates oil flow to the variable valve timing or cylinder deactivation system. The PCM monitors the solenoid's current draw and expected response, and when the signal falls outside the programmed parameters, it commands the solenoid to a default state and stores this code.

DTC codes / Mazda codes / P1689

P1689 · MazdaOil Pressure Control Solenoid Circuit

P1689 on Mazda vehicles indicates that the powertrain control module (PCM) has detected an electrical fault in the oil pressure control solenoid circuit, which regulates oil flow to the variable valve timing or cylinder deactivation system. The PCM monitors the solenoid's current draw and expected response, and when the signal falls outside the programmed parameters, it commands the solenoid to a default state and stores this code.

SystemPowertrain

Code typeMazda specific

SeverityMedium

Fix difficultyIntermediate

AreaComputer and output circuits

Guidance is general and written for Mazda vehicles. Exact tests and values vary by model, so confirm the fault before replacing parts.