B0811 Porsche 968 OBD Code

OBD/2 B0811 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.

Regardless of the design though, the purpose of all clutch actuating systems is to improve the driving experience by removing the need for manual clutch operation by the driver. Computer-controlled clutch actuating systems work particularly well in dual clutch systems where one clutch controls gear changes of even-numbered gear ratios, and a second clutch that controls gear changes of odd-numbered ratios.

B0811 Porsche 968 Error Code Repair Process :

If your throttle control unit modulated command malfunction check engine light is illuminated, it's best to take it in for diagnostic testing, which can feel like a hassle. Because while the lights vary in appearance from vehicle to vehicle, all have the same basic meaning: There's a problem with the car's emissions system. The on-board diagnostics system B0811 and engine control unit are in charge of monitoring a bunch of different throttle control unit modulated command malfunction, and if they get a reading that's a little out of whack, up pops the check engine light.

Difficulty Level (Easy)

Repair Time (45 Min.)

Cost Prediction : $ 80-120

Common Causes of Porsche 968 B0811 OBD2 Code

A common cause of code B0811 is the failure of Throttle Control Unit Modulated Command Malfunction, but there are several other possible causes as well, such as ;

• EVAP canister or fuel tank leaks
• Air fuel ratio (A/F) Sensor 1 Bank 1 circuit poor electrical connection
• Fuel pressure
• Fuel injectors harness is open or shorted

B0811 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.

B0811 code for other Porsche cars

You can view according B0811 DTC for your car model. We selected several models to see obd2 solutions click and view it.

• B0811 Porsche 1300
• B0811 Porsche 3400
• B0811 Porsche 356
• B0811 Porsche 550
• B0811 Porsche 718
• B0811 Porsche 804
• B0811 Porsche 901
• B0811 Porsche 904
• B0811 Porsche 906
• B0811 Porsche 907
• B0811 Porsche 908
• B0811 Porsche 910
• B0811 Porsche 911
• B0811 Porsche 911 Type 991
• B0811 Porsche 911 Type 996
• B0811 Porsche 911 Type 997
• B0811 Porsche 912
• B0811 Porsche 914
• B0811 Porsche 917
• B0811 Porsche 924
• B0811 Porsche 928
• B0811 Porsche 930
• B0811 Porsche 931
• B0811 Porsche 935
• B0811 Porsche 936
• B0811 Porsche 937
• B0811 Porsche 944
• B0811 Porsche 959
• B0811 Porsche 962
• B0811 Porsche 964
• B0811 Porsche 965
• B0811 Porsche 986
• B0811 Porsche 993
• B0811 Porsche 996
• B0811 Porsche Boxster
• B0811 Porsche Boxster Type 981
• B0811 Porsche Boxster Type 986
• B0811 Porsche Boxster Type 987
• B0811 Porsche Carrera Gt
• B0811 Porsche Cayenne
• B0811 Porsche Cayenne Type 92a
• B0811 Porsche Cayenne Type 9pa
• B0811 Porsche Cayman
• B0811 Porsche Cayman Type 718
• B0811 Porsche Cayman Type 981
• B0811 Porsche Cayman Type 987
• B0811 Porsche Coupe
• B0811 Porsche Dp
• B0811 Porsche Gt
• B0811 Porsche Gt2
• B0811 Porsche Gt3
• B0811 Porsche Karisma
• B0811 Porsche Kremer
• B0811 Porsche Macan Type 95b
• B0811 Porsche Mega
• B0811 Porsche Panamera Type 970
• B0811 Porsche Panamericana
• B0811 Porsche Rsk
• B0811 Porsche Tapiro

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