U3478 Porsche 912 OBD Code

OBD/2 U3478 error code description and symptoms.

The Transmission Range Sensor (also referred to as the PRNDL input an/or neutral safety switch) tells the transmission control module (TCM) an the engine control module (PCM) that the transmission is in park, reverse, neutral, drive, low, 2nd, 3rd etc. It is attached directly to the manual valve of transmission, so when the shift lever is moved from park to drive, the Transmission Range Sensor communicates this critical information to the above mentioned vehicle control module systems.

Gear changes are accomplished by a command from the TCM to energize the clutch actuator to release the clutch; after which various actuators inside the transmission disengage the current gear, and depending on current operating conditions, engage the next higher or lower gear ratio. All of this happens much faster than a human driver could change gears, and in most applications, gear changes are as smooth and seamless as on any fully automatic transmission.

U3478 Porsche 912 Error Code Repair Process :

The scent may U3478 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 U3478, so if the inside of your car egr calibration low 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.

Difficulty Level (Expert)

Repair Time (35 Min.)

Cost Prediction : $ 90-120

Common Causes of Porsche 912 U3478 OBD2 Code

A common cause of code U3478 is the failure of EGR Calibration Low, but there are several other possible causes as well, such as ;

• Air fuel ratio (A/F) Sensor 1 Bank 1 harness is open or shorted
• Faulty Fuel injector
• Fuel Injectors circuit poor electrical connection
• Continuous oil flow to the VCT piston chamber

U3478 is a kind of Network Trouble Code U-code indicates that engine communication errors and shows lost communication with engine parts.U-Codes are fairly straight forward, given all of the articles and technical publications that have been written regarding these problematic codes. In most cases, it just comes down to identifying the module that isn't communicating with the other modules on the CAN bus line for whatever reason.

U3478 code for other Porsche cars

You can view according U3478 DTC for your car model. We selected several models to see obd2 solutions click and view it.

• U3478 Porsche 1300
• U3478 Porsche 3400
• U3478 Porsche 356
• U3478 Porsche 550
• U3478 Porsche 718
• U3478 Porsche 804
• U3478 Porsche 901
• U3478 Porsche 904
• U3478 Porsche 906
• U3478 Porsche 907
• U3478 Porsche 908
• U3478 Porsche 910
• U3478 Porsche 911
• U3478 Porsche 911 Type 991
• U3478 Porsche 911 Type 996
• U3478 Porsche 911 Type 997
• U3478 Porsche 914
• U3478 Porsche 917
• U3478 Porsche 924
• U3478 Porsche 928
• U3478 Porsche 930
• U3478 Porsche 931
• U3478 Porsche 935
• U3478 Porsche 936
• U3478 Porsche 937
• U3478 Porsche 944
• U3478 Porsche 959
• U3478 Porsche 962
• U3478 Porsche 964
• U3478 Porsche 965
• U3478 Porsche 968
• U3478 Porsche 986
• U3478 Porsche 993
• U3478 Porsche 996
• U3478 Porsche Boxster
• U3478 Porsche Boxster Type 981
• U3478 Porsche Boxster Type 986
• U3478 Porsche Boxster Type 987
• U3478 Porsche Carrera Gt
• U3478 Porsche Cayenne
• U3478 Porsche Cayenne Type 92a
• U3478 Porsche Cayenne Type 9pa
• U3478 Porsche Cayman
• U3478 Porsche Cayman Type 718
• U3478 Porsche Cayman Type 981
• U3478 Porsche Cayman Type 987
• U3478 Porsche Coupe
• U3478 Porsche Dp
• U3478 Porsche Gt
• U3478 Porsche Gt2
• U3478 Porsche Gt3
• U3478 Porsche Karisma
• U3478 Porsche Kremer
• U3478 Porsche Macan Type 95b
• U3478 Porsche Mega
• U3478 Porsche Panamera Type 970
• U3478 Porsche Panamericana
• U3478 Porsche Rsk
• U3478 Porsche Tapiro

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