U3418 Porsche Coupe OBD Code

OBD/2 U3418 error code description and symptoms.

EGR Flow Insufficient Detected The EGR system is monitored during steady state driving conditions while the EGR is commanded on.
The test fails when the signal from the DPF EGR sensor indicates that EGR flow is less than the desired minimum. Vacuum supply EGR valve stuck closed EGR valve leaks vacuum EGR flow path restricted EGRVR circuit shorted to PWR VREF open to D.P.F. EGR sensor D.P.F. EGR sensor downstream hose off or plugged EGRVR circuit open to PCM VPWR open to EGRVR solenoid D.P.F. EGR sensor hoses both off D.P.F. EGR sensor hoses reversed Damaged EGR orifice tube Damaged EGRVR solenoid Damaged PCM Perform KOER self-test and look for DTC U3418 as an indication of a hard fault.

Some systems require that the actuator has an adequate supply of brake fluid. Low brake fluid levels can mimic the symptoms of code U3418, so consult the manual to locate the brake fluid reservoir. Bear in mind that a low fluid level can set code U3418 on some applications, so make sure that on fluid operated systems the fluid level is up to the mark before starting an electrical diagnosis.

U3418 Porsche Coupe Error Code Repair Process :

If your alternator load input failed high 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 U3418 and engine control unit are in charge of monitoring a bunch of different alternator load input failed high, and if they get a reading that's a little out of whack, up pops the check engine light.

Difficulty Level (Soso)

Repair Time (50 Min.)

Cost Prediction : $ 40-75

Common Causes of Porsche Coupe U3418 OBD2 Code

A common cause of code U3418 is the failure of Alternator Load Input Failed High, but there are several other possible causes as well, such as ;

• Air fuel ratio (A/F) Sensor 1 Bank 1 circuit poor electrical connection
• Damaged camshaft position (CMP) sensor
• Exhaust tube
• Faulty Mass Air Flow (MAF) sensor

U3418 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.

U3418 code for other Porsche cars

You can view according U3418 DTC for your car model. We selected several models to see obd2 solutions click and view it.

• U3418 Porsche 1300
• U3418 Porsche 3400
• U3418 Porsche 356
• U3418 Porsche 550
• U3418 Porsche 718
• U3418 Porsche 804
• U3418 Porsche 901
• U3418 Porsche 904
• U3418 Porsche 906
• U3418 Porsche 907
• U3418 Porsche 908
• U3418 Porsche 910
• U3418 Porsche 911
• U3418 Porsche 911 Type 991
• U3418 Porsche 911 Type 996
• U3418 Porsche 911 Type 997
• U3418 Porsche 912
• U3418 Porsche 914
• U3418 Porsche 917
• U3418 Porsche 924
• U3418 Porsche 928
• U3418 Porsche 930
• U3418 Porsche 931
• U3418 Porsche 935
• U3418 Porsche 936
• U3418 Porsche 937
• U3418 Porsche 944
• U3418 Porsche 959
• U3418 Porsche 962
• U3418 Porsche 964
• U3418 Porsche 965
• U3418 Porsche 968
• U3418 Porsche 986
• U3418 Porsche 993
• U3418 Porsche 996
• U3418 Porsche Boxster
• U3418 Porsche Boxster Type 981
• U3418 Porsche Boxster Type 986
• U3418 Porsche Boxster Type 987
• U3418 Porsche Carrera Gt
• U3418 Porsche Cayenne
• U3418 Porsche Cayenne Type 92a
• U3418 Porsche Cayenne Type 9pa
• U3418 Porsche Cayman
• U3418 Porsche Cayman Type 718
• U3418 Porsche Cayman Type 981
• U3418 Porsche Cayman Type 987
• U3418 Porsche Dp
• U3418 Porsche Gt
• U3418 Porsche Gt2
• U3418 Porsche Gt3
• U3418 Porsche Karisma
• U3418 Porsche Kremer
• U3418 Porsche Macan Type 95b
• U3418 Porsche Mega
• U3418 Porsche Panamera Type 970
• U3418 Porsche Panamericana
• U3418 Porsche Rsk
• U3418 Porsche Tapiro

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