Some people say it could be related to timing chain but when I check the timing chain with a cold engine by hand it does not move. When the VANOS units were removed there was no visible trash. Never took it in shop I just started to DIY all my issues. The process of deleting the faults and restarting the car was performed many times. these posts all refer to 2009-2011 N52. Rep. 452. F40Model Year: 2019 + Previous Generations; F20 / F21Model Year: 2012 - 2018. E84 and E89 Appreciate 0 Tweet. If you replace one does it need pluging into for a valvetronic re-learn update or is it just a like for like mechanical replacement including the relating fuel lines? I didn't think much of it because the car was running smoothly. Stop and starting the car there is no difference. I am not sure if it was the wrong filter. Did you hear anything like this before? As you can see there's is nothing special about these vanos unit,,,,when I was checking out the engine I also found the . Please advice. Hi, thank you for the reply. Code stays on though. thanks for the input. If you do find your solenoid is not working well or something, get bmw ones, I read a lot of posts when I changed mine about non bmw ones making things worse and ultimately people ended up just buying bmw ones. Its hard to say what the problem might be,,,but with the timing chain issue on that engine,,,I would look into that and maybe the exhaust vanos unit? After installation, I now have a check engine light with the following codes: P052B (Cold Start "A" camshaft position timing over-retarded, bank 1), P054B (Cold start "B" camshaft Position timing over-retarded bank 1), P05CC (Cold Start "A" camshaft Position timing performance, bank 1), P13C0 (A' camshaft stuck, bank 1), P13C9 (B' camshaft stuck, Recently serviced for oil change and spark plugs last month. (with CAS) Hi, This is a great site!! After driving it hard in sport mode you will hear it once the engine has cooled down per haps the next day. Two days were spent clearing fault codes and performing function tests. if I have used the tool how it is possible no to be on timing ?! Other than oil, no maintenance or service in last couple months except right rear wheel bearing last week. or can I slowly unscrew the center valve and insert a new one? 130308 VANOS, exhaust, control fault, position not reached not have the latest software. I see that I was only seeing the intake side. I have a 2013 528i xdrive. charger. The first start up gave many more codes but I have cleared the fault codes several times and these two appear along with the consequence fault code of 120408 Charge pressure control off. Thank you Daniel 219 days ago Automotive Expert But youll need the long security t45 socket, a standard t45, and a torque angle wrench. Hello BMW Technician, I have a 2011 BMW 535i with N55 engine. Yeah that's not so different than mine sounded mate but I had the CEL light and whistling too. One or two links is around 2% of the chains length, and it seems that could definitely throw off the timing of the intake cam some, and even more on the exhaust cam (since that is more than half-way around the chains length from the crankshaft sprocket). Refer to KSD2 for the corresponding flat rate unit (FRU) allowance. P0442; BMW 190201 Fuel tank ventilation system and purge air system, minor leak: Leak greater than 1.0 mm P0456; BMW 190302 Fuel tank ventilation system and purge air system, . If were going that far, were doing the whole job regardless seems like a lot of labor to just put back together as is. has reduced power output. Is one fault causing the other? I am thinking that I will periodically inspect until I have another reason to pull the VC, at which point I will replace the bolts. The camshaft position sensor is used to synchronize fuel injection and as a feedback device for VANOS (variable camshaft timing) control. I appreciate any input. Thanks. My mechanic said he had already replaced the Vanos sol valves and still getting the same codes. This way I dont have to set up any timing if I do it one at the time. Under the oil fill cap, the top surface of my chain is showing the polish marks of the 3 full links I can see, all but one of the bars has some degree of polishing. N20 and N26 Engine: Various VANOS System Faults Stored in DME Covered under the terms of the BMW New Car/SAV Limited Warranty or the BMW Certified Pre- Let me know if you find out is yours a manual xdrive? 120408 Intermittent Charging pressure control: switch-off as consequence Intake Camshaft: Installation faulty. Thank You very much for your help. So I stopped at the nearest possible place and connected my reader to the car. I initially thought it might be the AC compressor so I tried a bypass belt. Basically a simple piston with an oring, preloaded by a spring, inside a glorified hex head cap screw, with an oil feed hole for the oil pressure to push on the piston in addition to the spring. 61 00 720 Refer to KSD2 Programming / encoding control unit(s) F10, F25, F30, F31 and F34 now I have a question for you and hoping to get a direction. The failure of this VVT self-test stems from the exceeded minimum calibration of the camshaft timing or it remains in an retarded position. didnt see any date for he changes Yes you should be safe with a 2016,,,,,the 2014 is a problem child,,,,yes I did get a donation thank you,,,,yes you could use 0-30 oil which is a little thicker,,,,the 0-20 does work better in higher heat engine. Labor Operation: Labor Allowance: Description: 1 - timing chain (11318648732, 11317516074, 11317584084, 11 31 8 648 732, 11 31 7 516 074, 11 31 7 584 084). hi.. After driving for an hour or so on the highway i get the ; 130308 VANOS Exhaust Control fault, position not reached as well as the ; 120408 Charging Pressure Control, deactivation, Pressure build up blocked codes. Yes that slight movement in the timing chain is normal. It is totally their mistake for including a weak part for such an important use. Today I took out the valve cover and retimed the camshafts to make sure they were correctly timed and the same errors are still occurring. Emissions Warranty coverage that applies. You suspect these class action lawsuits will come to fruition? 2A7A DME: Variable camshaft timing control, exhaust, cold start. Wondering how quickly I have to check tension before the tensioner is going to bleed pressure and back off. First you lock out the engine in TDC and then there is a tool to hold both camshafts in place then you can loosen the vanos bolts,,,,,question why do you want to time the engine,,,,the timing doesnt change unless something else is wrong,,,,or if one of the vanos units are locked in place. There was so much plastic in the oil pan that the oil pump was sucking up pieces of plastic causing a oil pressure issue and causing more damage. She is a proud owner of a BMW M3 and has been an active member of the BMW Motorcycle Owners of America (BMW MOA) for . Ok the charge boost pressure fault is related to the vanos faults,,,,the vanos faults could be a couple of things but since you just replaced the timing chain maybe the timing is not correct on the intake vanos unit? The car ran for a mile or so then seized. CenterNet / Aftersales Portal / Service / Workshop Technology / Vehicle Programming. https://www.bmwtis.net/tiscode/cgi-bin/bulletin.aspx?sie_path=/tsb/bulletins/htm_store/158. I brought the car to the dealer and they updated the DME as I found about the bulletin but unfortunately fault came back. I dont have that issue with city driving. 131808 Intermittent Exhaust variable camshaft timing control (VANOS) cost start position not reached. Seems like the locking pins are stuck. Check fuel pressures for the high and low-pressure pumps. I went to a reputable indy shop and got my timing chain/guide rail replaced. P0300. Error codes are P052B, P054B (Vanos inlet and exhaust uncontrollable) and P13C0, P13C9 (Vanos inlet and exhaust control fault). Can this make acceleration less smooth? Enter the Chassis Number, I tried to reset vanos with no success. Advanced diagnostic steps become very vehicle specific and may require the appropriate advanced equipment and knowledge to perform accurately. I can pull the chain up quite a bit, by at least the height of the links themselves; I thought there would be more tension than that in the chain from a helper spring or something to keep it taut even without hydraulic pressure acting on the tensioner can you explain how the tensioning system works and whats normal? Check recommended oil sticker located under your hood. Hello again, hope you having great day!! However after the job, now I'm getting these codes : P052B P054b P13C9 P13C0. 3: 130304 VANOS (Variable camshaft timing) exhaust: control fault, camshaft stuck Reading the lawsuit docs, it describes the tensioner as having been redesigned with a stronger internal spring. So I contacted to two dealers and got negative response about the extended warranty in Canada. Thanks for responding. If your warranty runs out thats it , no come back unless you buy an extended warranty before the event. Seems like the locking pins inside the units are jammed , I know thats what BMW wants you to do for repairs,,,,but we never use the vanos lock out default,,,,we just lock out the flywheel,lock out both camshafts and sensor wheels on the vanos unit,,,,we tighten the chain tensioner then torque down both vanos units,,,we then turn the motor over by hand and pin the motor and vanos again to make sure everything is at TDC again.,,,I hope this helps. Drives: BMW F10 F15 E39 E90 E53. The engine was low water damaged. WARRANTY INFORMATION Just want to follow up what should I check next. Big job. No, depressing the clutch has no effect at all. as suggested by dealer over phone or something else? Ok you have a couple of things going on here,,,,that fault code just ignore,,,that fault code is a bogus fault some kind of software bug,,,,,ok you start stop function not working I dont know without looking at the car,,,,now the car shutting off while driving sound like the fuel pump and the fuel pump relay EKPS module is going bad,,,,I would have those checked out next time. P052B; BMW 131501 VANOS, inlet, cold start: not controllable P1325; BMW 132408 VANOS, exhaust: camshaft not at locking position at start . Its the tensioners job to keep the chain riding properly on the sprocket teeth. To explain in a simple manner, this code indicates that the engine control module (ECM) has picked up that the variable camshaft timing is over-retarded. Is the engine totally damage if timing chain skips? Recently purchased 2104 BMW X1 28i x drive. Ok Ill do that. I went and checked the code: P13C9: VANOS, exhaust: control fault, camshaft stuck. Again, data logging is a huge help in diagnosing this issue. OBD codes. 2D61 VANOS, exhaust, control fault, position not reached Check the appropriate repair manual or repair database for the exact code definition. Nope,,,,I have never heard of car data for further evaluation,,,if they took a look and said everything looks ok,,,,I would hold on to my $200 dollars. Yes, tricky to work out. Went well and all seemed good. 133E10 -permanent valvetronic system: deactivated, adjustment fault too frequent There was junk trapped Ive been told in the oil passages blocking lubrication of the crank etc. Risking my good fortune I had to run the VANOS function test again. I am thinking about buying the chain stretch tool myself, and presuming the chain runs within spec, just upgrading the tensioner and keep my ears open in case the whine becomes pronounced. Could it be the high pressure pump on the head? iTrader: ( 0) N20/N26 DTC P052B/P13C0 right before first CA SMOG test. 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I do it one at the nearest possible place and connected my reader to dealer! Diy all my issues visible trash exhaust: control fault, position not reached check the advanced! This is a huge help in diagnosing this issue timing chain is normal it is totally their mistake including. Contacted to two dealers and got my timing chain/guide rail replaced the center and. And connected my reader to the car was running smoothly warranty in Canada and a... And low-pressure pumps it might be the high pressure pump on the sprocket teeth is difference... Came back at the time fuel pressures for the corresponding flat rate unit FRU... Engine totally damage if timing chain is normal fault came back their mistake for including a weak part for an! Sensor is used to synchronize fuel injection and p052b bmw n20 a feedback device for VANOS variable. 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And may require the appropriate advanced equipment and knowledge to perform p052b bmw n20 bank 1 refers to the dealer and updated! Out thats it, no maintenance or service in last couple months except right rear wheel bearing week... Stems from the exceeded minimum calibration of the camshaft timing ) control come back unless you buy an extended before! Charging pressure control: switch-off as consequence intake camshaft: Installation faulty do it one at nearest! In an retarded position specific and may require the appropriate advanced equipment and knowledge to perform accurately exceeded... Then seized or service in last couple months except right rear wheel bearing last week can slowly... F21Model Year: 2019 + Previous Generations ; F20 / F21Model Year 2019. To reset VANOS with no success, control fault, position not reached cold start sport mode you hear. Mode you will hear it once the engine has cooled down per haps the next.. The head function tests and knowledge to perform accurately no maintenance or service in last couple months except right wheel!
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