U3609 Porsche 911 Type 997 OBD Code

OBD/2 U3609 error code description and symptoms.

HO2S Sensor Circuit Malfunction (HO2S-11) During testing the HO2S Heaters are checked for opens/shorts and excessive current draw.
The test fails when current draw exceeds a calibrated limit and/or an open or short is detected. Short to VPWR in harness or HO2S. Water in harness connector. Open VPWR circuit. Open GND circuit. Low battery voltage. Corrosion or poor mating terminals and wiring Damaged HO2S heater. Damaged PCM.

Circuit High Input codes like U3609 are mostly caused by defective alternators that develop excessive voltages, although there may be other causes as well, such as short circuits that 'leak' current into a particular system from other, unrelated systems that work on higher voltages. Note that in the case of short circuits that leak power into a control circuit, there is likely to be other, seemingly unrelated trouble codes present along with the code(s) being investigated. Diagnosing a 'high input' code will always involve a thorough testing of the charging system as a first step, followed by measures to isolate the system from all other possible sources of power during resistance, continuity, and reference voltage tests.

U3609 Porsche 911 Type 997 Error Code Repair Process :

The scent may U3609 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 U3609, so if the inside of your car fan relay (high) circuit malfunction 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 (Easy)

Repair Time (45 Min.)

Cost Prediction : $ 35-120

Common Causes of Porsche 911 Type 997 U3609 OBD2 Code

A common cause of code U3609 is the failure of Fan Relay (High) Circuit Malfunction, but there are several other possible causes as well, such as ;

• Exhaust tube
• Exhaust gas leaks
• Fuel pressure
• Damaged VCT phaser

U3609 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.

U3609 code for other Porsche cars

You can view according U3609 DTC for your car model. We selected several models to see obd2 solutions click and view it.

• U3609 Porsche 1300
• U3609 Porsche 3400
• U3609 Porsche 356
• U3609 Porsche 550
• U3609 Porsche 718
• U3609 Porsche 804
• U3609 Porsche 901
• U3609 Porsche 904
• U3609 Porsche 906
• U3609 Porsche 907
• U3609 Porsche 908
• U3609 Porsche 910
• U3609 Porsche 911
• U3609 Porsche 911 Type 991
• U3609 Porsche 911 Type 996
• U3609 Porsche 912
• U3609 Porsche 914
• U3609 Porsche 917
• U3609 Porsche 924
• U3609 Porsche 928
• U3609 Porsche 930
• U3609 Porsche 931
• U3609 Porsche 935
• U3609 Porsche 936
• U3609 Porsche 937
• U3609 Porsche 944
• U3609 Porsche 959
• U3609 Porsche 962
• U3609 Porsche 964
• U3609 Porsche 965
• U3609 Porsche 968
• U3609 Porsche 986
• U3609 Porsche 993
• U3609 Porsche 996
• U3609 Porsche Boxster
• U3609 Porsche Boxster Type 981
• U3609 Porsche Boxster Type 986
• U3609 Porsche Boxster Type 987
• U3609 Porsche Carrera Gt
• U3609 Porsche Cayenne
• U3609 Porsche Cayenne Type 92a
• U3609 Porsche Cayenne Type 9pa
• U3609 Porsche Cayman
• U3609 Porsche Cayman Type 718
• U3609 Porsche Cayman Type 981
• U3609 Porsche Cayman Type 987
• U3609 Porsche Coupe
• U3609 Porsche Dp
• U3609 Porsche Gt
• U3609 Porsche Gt2
• U3609 Porsche Gt3
• U3609 Porsche Karisma
• U3609 Porsche Kremer
• U3609 Porsche Macan Type 95b
• U3609 Porsche Mega
• U3609 Porsche Panamera Type 970
• U3609 Porsche Panamericana
• U3609 Porsche Rsk
• U3609 Porsche Tapiro

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