G35 Coupe V35 2003 - 07 Discussion about the 1st Generation V35 G35 Coupe

P0462 Fuel Level Sensor A, Circuit Low Input

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  #16  
Old 05-22-2020, 10:31 AM
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The fuse for the cluster illumination and all gadgets died and had to replace it. Btw it’s fuse # 14, 10A and it’s named “meter” on the fuse box cap. After replacing it got two codes P0462 and P0463, which are both sensors codes, and of course check engine light. Had to reset the codes and the problem vanished. Absolutely nothing to do with the sensors. Everything came from the cluster losing power.



 
  #17  
Old 05-22-2020, 02:10 PM
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P0462 Fuel Level Sensor A, Circuit Low Input

Ok, thank you.
I will replace the #14 slot(named meter) 10 Amp fuse and hopefully gets rid of the fuel gage problem on my wife's 2008 g35xS
 
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Old 05-22-2020, 06:35 PM
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Originally Posted by hotchoi
Ok, thank you.
I will replace the #14 slot(named meter) 10 Amp fuse and hopefully gets rid of the fuel gage problem on my wife's 2008 g35xS
hmm I’d say, remove #14, start the car, then turn it off, put back #14, clean the codes and wait
 
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Old 05-22-2020, 08:06 PM
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I will try that if the fuel gage still doesn't work properly
Thanks again for your help.
 
  #20  
Old 09-22-2020, 02:55 PM
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Originally Posted by flipmode007
guys I had the same issue for the past 2 years, I have change both sending unit and fuel pump like 3 times after infiniti recommended me to do so, I have bought a second cluster at the scrap and i was having the same problem so I went to a local garage they check wires and everyting seems fine until the head mechanic said we will change the AMPLIFIER CONTROL AIR CONDITIONER 277601NM6D and it resolved my problem. No problem after that so check that first. I bougt that part for $15 at the scrap and I was told its almost $200-300 new.
How does the AMPLIFIER CONTROL AIR CONDITIONER 277601NM6D have anything to do with the fuel level/sender/gauge??? I don't understand?

I have the exact same issue and parts suppliers think I'm crazy searching for this part for my faulty fuel levels?!!!!

Thanks
 
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  #21  
Old 09-22-2020, 03:04 PM
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Did this work for you?
 
  #22  
Old 09-22-2020, 03:36 PM
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I don't know the exact reason why the amp can cause the fuel level sensor error, but "CAN comm. line open or shorted" is one of the possible causes of P0462, and the cluster (combination meter) and A/C auto amp are electrically connected.
 
  #23  
Old 09-22-2020, 05:23 PM
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Originally Posted by MikeG35Coupe
I don't know the exact reason why the amp can cause the fuel level sensor error, but "CAN comm. line open or shorted" is one of the possible causes of P0462, and the cluster (combination meter) and A/C auto amp are electrically connected.
Thanks for the prompt reply.

I was surprisingly able to source 27760JK700 at a local scrap yard. I installed it and Voila! The fuel gauge now works! Yippee! Engine code cleared and problem fixed! However, I need par 27760JK71A as now I have the error light for the intelligent keyless system illuminated on the dash board! Doh. Well at least I guess I know what the issue is, and how to resolve it. Just need to track down the right part. Takes about 10 mins to install once you've stripped things down.... about 6 screws and same elec connections.

Thanks and good luck!
 
  #24  
Old 09-26-2020, 07:07 PM
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The instrumentation is basically two halves, you have the part behind the steering wheel that has all the gauges and you have the part in the center console behind the clock. AC Auto Amp failure causes instrumentation problems.
 
  #25  
Old 07-22-2022, 10:04 PM
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I have the exact same issue, and I read through the threads. So, which fixed the issue, replacing the cluster or replacing AMPLIFIER CONTROL AIR CONDITIONER 277601NM6D?

Thanks
 
  #26  
Old 07-23-2022, 01:06 AM
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For me it was cleaning the contacts on the sub pump.
 
  #27  
Old 04-19-2023, 01:54 PM
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Fix fuel level

Hi all. I registered specifically to give information. I had the same problem. The air conditioning amplifier control unit that is located behind the radio does not need to be changed. It is necessary to warm up resistors 0.5 W 4 pieces on its board. There cracked soldering on them from overheating.
 
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  #28  
Old 08-25-2023, 08:41 PM
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P0462, both sensors replaced.
Did this fix work for you? I'm just now having the exact same issue with my 2006 G35 Coupe.
 
  #29  
Old 08-25-2023, 09:13 PM
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Hey smorillo,

What fixed for me was soldering the instrument cluster circuit board. I went with this ebay seller and I recommend them.

 
  #30  
Old 08-26-2023, 03:30 PM
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First time that code popped up for me I cleaned the electrical pickup on the float with a #2 pencil, worked for over a year. Then someone tried to siphon gas from me and the code came back, I haven't pulled the pump yet to look but I imagine it's physical damage this time.
 
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