hp8300 Posted April 9, 2009 Report Share Posted April 9, 2009 Here goes, Engine wash, one day driving and then car starts to shudder and MIL came on but goes of again after a pit stop to eat car drives OK and then after a day car starts to shudder again => Discovered water around the spark plugs => dried it up but car keeps shudering so take off battery pole to reset =>again car dries good for a day and a half then EPC and MIL came on. So I scanned : P0332 Knock sensor 2 circuit bank 1-G66: low P1355 Cylinder 1,ignition circuit open P0301 Cylinder 1 isfire detected P0100 Air massmeter -G70 supply voltage P1602 Power supply (B+) terminal 30: Low voltage P0601 Internal control module memory: checksum error What's is really at fault here ?? :ffs: Help ....some advise pls Link to comment Share on other sites More sharing options...
PetrolDave Posted April 12, 2009 Report Share Posted April 12, 2009 So I scanned :P0332 Knock sensor 2 circuit bank 1-G66: low P1355 Cylinder 1,ignition circuit open P0301 Cylinder 1 isfire detected P0100 Air massmeter -G70 supply voltage P1602 Power supply (B+) terminal 30: Low voltage P0601 Internal control module memory: checksum error What's is really at fault here ?? :ffs: First step is to delete those faults and see which ones come back - some could be intermittent ones caused by you disconnecting the battery. Are those all on the engine ECU at address #1? The two problems on cylinder 1 suggests a possible coilpack problem - which might also cause the knock sensor fault. The P0601 would be worrying if it's on the engine ECU... Link to comment Share on other sites More sharing options...
hp8300 Posted April 12, 2009 Author Report Share Posted April 12, 2009 Thanks Petrol Dave I will try and erase the DTC's and see what happens. I have a next question : If I diconnect the battery will that erase the DTC's ?? Link to comment Share on other sites More sharing options...
PetrolDave Posted April 14, 2009 Report Share Posted April 14, 2009 I have a next question : If I disconnect the battery will that erase the DTC's ?? Definitely not - it will probably generate MORE DTC's as modules detect a low voltage as the battery is disconnected. The only way to clear a DTC is with VAG-COM or VAS. Link to comment Share on other sites More sharing options...
hp8300 Posted April 14, 2009 Author Report Share Posted April 14, 2009 Thanks for your reply "Petrol Dave". I'll try and get a decent scanner. Is vagcom in this day in time really the only one which could erase and scan the DTC an a Audi/VW. I found for instance: Autel.us - AutoLink OBDII / OBD Code Reader - Complete diagnostic scanner for automotive engine light Equus 3110 Innova Diagnostic Code Scanner Actron and so on :ffs: Link to comment Share on other sites More sharing options...
PetrolDave Posted April 14, 2009 Report Share Posted April 14, 2009 If I had a pound for every time that someone had asked me "isn't there something cheaper than VAG-COM that works as well" then I'd be a bl..dy millionaire (slight exaggeration!). Other cheaper leads/devices will work some of the time with some modules, but if you're a VAG enthusiast and you want something will work every time on every module then VAG-COM is the only answer. Link to comment Share on other sites More sharing options...
hp8300 Posted May 4, 2009 Author Report Share Posted May 4, 2009 Petrol Dave , I,ve the vagcom and scanned the car : 1 Fault Found: 001537 - Internal Control Module: Memory Check Sum Error P0601 - 001 - Upper Limit Exceeded - MIL ON Freeze Frame: Fault Status: 11100001 Fault Priority: 0 Fault Frequency: 1 Mileage: 21583 km Time Indication: 0 Date: 2009.04.07 Time: 23:21:23 Now I've tried to erase this but to no avail. The EPC and the MIL light are both on but the car drives OK. What can I do to fix this Link to comment Share on other sites More sharing options...
shark_90 Posted May 5, 2009 Report Share Posted May 5, 2009 Is that on the Engine module? It indicates a failed ECU which doesn't often happen. Link to comment Share on other sites More sharing options...
hp8300 Posted May 5, 2009 Author Report Share Posted May 5, 2009 Hi Shark_90, I have no idea I'am new to the vagcom thing I just scanned the engine and this is what I get : Address 01: Engine Control Module Part Number: 8P0 907 115 B Component and/or Version: 2.0l R4/4V TFSI 00 0050 Software Coding: 0103010A18070160 1 Fault Found: 001537 - Internal Control Module: Memory Check Sum Error P0601 - 001 - Upper Limit Exceeded - MIL ON Freeze Frame: Fault Status: 11100001 Fault Priority: 0 Fault Frequency: 1 Mileage: 21583 km Time Indication: 0 Date: 2009.04.07 Time: 23:21:23 Freeze Frame: RPM: 0 /min Load: 0.0 % Speed: 0.0 km/h Temperature: 81.0°C Temperature: 65.0°C Absolute Pres.: 1000.0 mbar Voltage: 12.192 V Readiness: 0000 0000 Can you make anything out of this ? Link to comment Share on other sites More sharing options...
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