P1694 Trouble Code

View P1694 obd/2 error code description and symptoms. P1694 engine photo

Low Speed Fuel Pump Primary Circuit Malfunction The PCM monitors the low speed fuel pump (LFP) primary circuit output from the PCM.
The test fails if: When the LFP circuit is commanded on (grounded), excessive current draw is detected on the LFP circuit; or when the LFP circuit is commanded off, voltage is not detected on the LFP circuit (the PCM expects to detect VPWR voltage coming through the low speed fuel pump relay coil to the LFP circuit). Open or shorted low fuel pump (LFP) circuit Open VPWR to low speed fuel pump relay Damaged low speed fuel pump relay Damaged PCM An open circuit or short to ground can only be detected with the low speed fuel pump.

At this point we are assuming that the fuses and relays are good. You will need to locate the PCM/TCM and the power input signal circuit using your vehicle information source. Unplug the connector from the PCM/TCM, place the ignition switch in the ON position, and probe the appropriate circuit with the positive test lead of the DVOM.

P1694 Error Code Repair Process :

When you turn on the ignition, the Service Engine Soon or Check Engine P1694 light should flash briefly, indicating that the OBD system is ready to scan your vehicle for any malfunctions. After this brief flash, the light should stay off while you drive as long as no problems are detected. If p1694 turbo charge relief circuit malfunction so, you'll be glad to know that your vehicle is equipped with an early warning system that could save you time, money, and fuel in addition to helping protect the p1694 turbo charge relief circuit malfunction.

P1694 is a kind of Powertrain Trouble Code

Powertrain of a modern automobile, comprising engine (with exhaust system), transmission, drive shaft, suspension and the wheels. In a motor vehicle, the term powertrain or powerplant describes the main components that generate power and deliver it to the road surface, water, or air.

Common Causes of P1694

A common cause of code P1694 is the failure of P1694 Turbo Charge Relief Circuit Malfunction, but there are several other possible causes as well, such as ;

EVAP canister or fuel tank leaks
Faulty Intake Valve Timing Control Solenoid Valve
Ignition coils harness is open or shorted
Ignition misfiring

P1694 code for all cars

You can view according P1694 DTC for your car model. We selected several models to see obd2 solutions click and view it.

+P1694 Pag Nick

+P1694 Mercedes Citan

+P1694 Pontiac Star Chief

+P1694 Lancia Ypsilon Ii

+P1694 Sunbeam 3

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