B1281 Mercedes Sl 600 OBD Code

OBD/2 B1281 error code description and symptoms.

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.

B1281 Mercedes Sl 600 Error Code Repair Process :

The scent may B1281 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 B1281, so if the inside of your car b1281 servo motor potentiometer coolair circuit open 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.

Common Causes of Mercedes Sl 600 B1281 OBD2 Code

A common cause of code B1281 is the failure of B1281 Servo Motor Potentiometer Coolair Circuit Open, but there are several other possible causes as well, such as ;

EVAP canister or fuel tank leaks
Faulty oil control valve (OCV)
Intake Valve Timing Control Solenoid Valve harness is open or shorted
Improper ignition timing

B1281 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.

Engine OBD 2 Codes website is a freeware resource center for engine trouble codes.

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B1281 Mercedes Sl 600 OBD Code

B1281 Mercedes Sl 600 Error Code Repair Process :

Common Causes of Mercedes Sl 600 B1281 OBD2 Code

B1281 code for other Mercedes cars