B1388 Trouble Code

View B1388 obd/2 error code description and symptoms. B1388 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.

Some systems require that the actuator has an adequate supply of brake fluid. Low brake fluid levels can mimic the symptoms of code B1388, so consult the manual to locate the brake fluid reservoir. Bear in mind that a low fluid level can set code B1388 on some applications, so make sure that on fluid operated systems the fluid level is up to the mark before starting an electrical diagnosis.

B1388 Error Code Repair Process :

The scent may B1388 signal oil or coolant leaking from their normally closed-loop systems, or it may indicate dangerous exhaust gases invading your car's interior. Car and truck exhaust contains toxic gases such B1388, so if the inside of your car b1388 oil temperature sensor circuit short to battery as if you were standing behind your car, get out and get it fixed. Fight the urge to take a little nap first. So sleepy. That's the carbon monoxide talking, friends. At least open a window on your way to the shop.

B1388 is a kind of Body Trouble Code

Auto body problems aren't always easy to spot. Diagnosing auto body problems sometimes requires a little know-how. In this section you'll find articles dedicated to teaching you how to diagnose auto body problems.

Common Causes of B1388

A common cause of code B1388 is the failure of B1388 Oil Temperature Sensor Circuit Short To Battery, but there are several other possible causes as well, such as ;

EVAP canister or fuel tank leaks
Damaged camshaft position (CMP) sensor
Erratic camshaft position due to low oil pressure
Faulty spark plug (s)

B1388 code for all cars

You can view according B1388 DTC for your car model. We selected several models to see obd2 solutions click and view it.

+B1388 Mini Iii

+B1388 Lexus Flv

+B1388 Frisky Friskysport

+B1388 Gaz 35

+B1388 Citroen Jumper Ii

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