B1873 Porsche Rsk OBD Code

OBD/2 B1873 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.

B1873 Porsche Rsk Error Code Repair Process :

For b1873 turn signal / hazard power feed circuit short to ground check engine light is perhaps the most troubling of lights because it could mean so many different things, from you didn't screw the gas cap on tightly enough to look out for pistons flying through the hood and into the stratosphere. The easiest way to find out what this light is telling you is to hook your vehicle up to a scan tool. B1873 error code diagnostic tool looks a little like an oversized calculator and plugs into a communication port inside the car. After you instruct it to perform the scan, it speaks b1873 turn signal / hazard power feed circuit short to ground with your car's computers to find out exactly what's prompting the light to turn on.

Difficulty Level (Easy)

Repair Time (20 Min.)

Cost Prediction : $ 70-120

Common Causes of Porsche Rsk B1873 OBD2 Code

A common cause of code B1873 is the failure of B1873 Turn Signal / Hazard Power Feed Circuit Short To Ground, but there are several other possible causes as well, such as ;

• EVAP canister or fuel tank leaks
• Exhaust gas leaks
• Faulty select solenoid
• Starting system circuit Dead (Weak) battery

B1873 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.

B1873 code for other Porsche cars

You can view according B1873 DTC for your car model. We selected several models to see obd2 solutions click and view it.

• B1873 Porsche 1300
• B1873 Porsche 3400
• B1873 Porsche 356
• B1873 Porsche 550
• B1873 Porsche 718
• B1873 Porsche 804
• B1873 Porsche 901
• B1873 Porsche 904
• B1873 Porsche 906
• B1873 Porsche 907
• B1873 Porsche 908
• B1873 Porsche 910
• B1873 Porsche 911
• B1873 Porsche 911 Type 991
• B1873 Porsche 911 Type 996
• B1873 Porsche 911 Type 997
• B1873 Porsche 912
• B1873 Porsche 914
• B1873 Porsche 917
• B1873 Porsche 924
• B1873 Porsche 928
• B1873 Porsche 930
• B1873 Porsche 931
• B1873 Porsche 935
• B1873 Porsche 936
• B1873 Porsche 937
• B1873 Porsche 944
• B1873 Porsche 959
• B1873 Porsche 962
• B1873 Porsche 964
• B1873 Porsche 965
• B1873 Porsche 968
• B1873 Porsche 986
• B1873 Porsche 993
• B1873 Porsche 996
• B1873 Porsche Boxster
• B1873 Porsche Boxster Type 981
• B1873 Porsche Boxster Type 986
• B1873 Porsche Boxster Type 987
• B1873 Porsche Carrera Gt
• B1873 Porsche Cayenne
• B1873 Porsche Cayenne Type 92a
• B1873 Porsche Cayenne Type 9pa
• B1873 Porsche Cayman
• B1873 Porsche Cayman Type 718
• B1873 Porsche Cayman Type 981
• B1873 Porsche Cayman Type 987
• B1873 Porsche Coupe
• B1873 Porsche Dp
• B1873 Porsche Gt
• B1873 Porsche Gt2
• B1873 Porsche Gt3
• B1873 Porsche Karisma
• B1873 Porsche Kremer
• B1873 Porsche Macan Type 95b
• B1873 Porsche Mega
• B1873 Porsche Panamera Type 970
• B1873 Porsche Panamericana
• B1873 Porsche Tapiro

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