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Anonymous Posted on Jun 20, 2014

Honda troubleshooting 09 Honda crv code p0843, what is the repair

5 Related Answers

mtous2162

  • 58 Answers
  • Posted on Jun 04, 2009

SOURCE: 2002 honda crv air filter change

Hi!

Can you specify if you are referring to the engine intake air filter or the cabin air filter?
If you are referencing the cabin air filter, the attached youtube video should help.

I originally created the video for the Odyssey, but found out after looking at my dad's CRV that it is essentially the same procedure as the Odyssey, and have also noticed that the same stands true for most Honda vehicles built between 2005 and 2009.

Happy motoring!

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Anonymous

  • 521 Answers
  • Posted on Jul 25, 2009

SOURCE: I have a Honda 2004 CRV - the repair ( OBD II)

P2647 VTEC Oil Pressure Switch Circuit High Voltage - With Automatic Transmission Basicallly the sensor has gone bad or an oil passage has become blocked.

**. Locate the Variable Timing Electronic Control (VTEC) pressure switch on the end of the cylinder head. Honda has had problems with the VTEC oil pressure switch, there is an updated part number for the vehicle (37250-PNE-G01). On this vehicle the VTEC oil pressure switch can fail at any RPM.
2. The VTEC oil switch is normally closed, and grounds the reference voltage from the Engine Control Module (ECM) on the Blue/Black (BLU/BLK) wire. If the code sets at idle - 2500 RPM - and the Brown/Yellow wire has a good ground, then suspect a faulty VTEC oil pressure switch.
3. At approximately 2500-4000 RPM and when driving the vehicle, the VTEC system should turn on. To turn on the system, the ECM energizes the VTEC Solenoid valve and it allows oil pressure into the intake valve rocker arms, the oil pressure opens the VTEC oil pressure switch so the Engine Control Module (ECM) can verify that the VTEC did turn on correctly.
4. The code will set at idle to 2500 RPM if the reference voltage is not grounded. The code will set above 2500-4000 RPM if the VTEC oil switch does not open.
5. If the code sets at 2500-4000 RPM or higher, the problem can be a low oil level or pressure, or a malfunction in the VTEC assembly.
Potential Causes: Low Engine Oil
Plugged Oil Passage
Insufficient Oil Pressure
Plugged Oil Screen
Insufficient Oil Volume
Malfunctioning VTEC Oil Pressure Switch
Defective VTEC Solenoid

Curtis Ziesing

  • 2 Answers
  • Posted on Jan 13, 2010

SOURCE: MY 2007 HONDA CRV CAR RADIO LOCKED AND IS ASKING FOR CODE

inside glove box there should be a sticker with the radio serial number and code. if that has been removed then you could try the honda owners site. you'll need the vin # and some other info
I was able to get the code recently for my 2010 CR-V

satitus

steve titus

  • 277 Answers
  • Posted on Jan 24, 2010

SOURCE: my honda crv 1999 clock broke how to take the clock out.

I have the removal instructions and repair solution at:

www.autoclockrepair.com

venugopal durairajan

  • 464 Answers
  • Posted on Mar 05, 2010

SOURCE: WHERE IS HONDA CRV TAIL LAMP FUSE

hi,
i have provided the picture showing the location of tail lamp fuse for Honda. I have marked it too for your reference. Please rate my solution as helpful.Have a nice day!7c6a615.jpg

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RTM , read the manual the FSM. its all there, look up 843
it tells you all the tests to do , that isolates the true cause of failure.

D flash means the tranny TCM is unhappy.
the CEL glowing too.
the P0843 means.
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P0843: Open in Transmission Fluid Pressure Switch A (2nd Clutch) Circuit, or Transmission Fluid Pressure Switch A (2nd Clutch) Stuck OFF

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http://www.civicforums.com/forums/181-8th-9th-gen/351431-engine-ligh-flashing-d-p0843-what-do-next.html#post4616790

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After driving a bit the "d" drive indicator starts flashing on my 2009 CSX. Diagnostics indicate P0843 code. What is this?

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