Question about 2001 Chevrolet Impala

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Diag code of p0843 - 2001 Chevrolet Impala

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I have a 01 impala with a 3.8 has been slugish now is really slugish and check engine light and I have fuel pressure. What can I do to slove with out a scanner.

Posted on Feb 25, 2009

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Here: http://www.aa1car.com/trouble-codes/codes_899.htm

Posted on Jul 31, 2008

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Honda stream 2009 'D' blinking light. diagnostic says po843 code


take it in, get it fixed ? stream?) not sold here, so alldata.com has nada.
or if DIY person
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.
Data:
P0843: Open in Transmission Fluid Pressure Switch A (2nd Clutch) Circuit, or Transmission Fluid Pressure Switch A (2nd Clutch) Stuck OFF

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

Feb 04, 2014 | Honda Cars & Trucks

1 Answer

Diagnostic code: P0843 what is it?


P0843 Open in 2nd Clutch Transmission Fluid Pressure Switch Circuit, or 2nd Clutch Transmission
Fluid Pressure Switch Stuck OFF

Dec 14, 2013 | 2004 Honda Civic

1 Answer

P0843


OBD2 codes,
D flash is in the operators guide, it says, bad tranny.
lost the guide? ive posted it 100 times now. the link, need it?

obd2 is easy P0xx codes are USA FED, spec codes ( a standard)

google is really your friend, 1st hit , bingo,

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

overwhelmed, ? yes, A/Ts are on the extreme complex side.

ask any ASE badged mechanic, for help.
the dealer will be (stealerships) like $6000 fix, 1/2 tranny and 1/2labor.
btw 1:
if tranny slips dont drive it, or the costs to fix rise fast.

as you can see, it can be
1: bad wires.
2: bad sensor.
3: bad transmission.
only testing finds the cause, and wire inspections and maybe new sensor and pray.

what skinflints do (or just smart) is reset it (OBD2 scan tool reset) and see if it comes back , praying its a 1 time ever error. this decade.
see>? this is true with all DTC'S, reset and pray.
or in the case of 455s tighten the gas cap,reset and pray.

DTCS are errors. (onboard, diagnostic monitor errors)

Dec 14, 2013 | 2004 Honda Civic

1 Answer

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


code p0843 refers to transmission fluid pressure (TFP) sensor A --high input===causes --wiring ---short to positive --TFP sensor---ECM/TCM
replace the sensor .

Dec 14, 2013 | 2003 Honda CR-V

1 Answer

Error code PO 843


Hi there:
This is a Powertrain fault code, DTC P0843 - Transmission Fluid Pressure Sensor/Switch "A" Circuit High


Generally this could be some gear pressure switch located behind the transmission was broke. Other details in THIS LINK.


Hope this helps; also keep in mind that your feedback is important and I`ll appreciate your time and consideration if you leave some testimonial comment about this answer.

Thank you for using FixYa, have a nice day.

Aug 15, 2012 | 2009 Honda Civic

1 Answer

ABS light comes on... but no noticble degradation in operation etc.


Most likely a wheel speed sensor, hopefully... The only thing that will change when the ABS light is on is that the ABS will not function as long as the indicator is on. I hope this info helps.

When the airbag system is in functioning condition, the airbag warning light will remain on for about 7 seconds and go out when the ignition switch is set to ON .

If there is any malfunction, the airbag warning light will either stay on or off continuously. In such cases, perform on-board diagnostic in accordance with the specified procedure to determine trouble codes.


  1. Turn ignition switch ON (with engine OFF ).
85091723



  1. Connect DIAG. terminal to No.2 terminal of diagnosis connector located inside lower cover.
  2. Check in accordance with the trouble code indicated by the AIRBAG warning light, and record the trouble codes.
  3. Turn the ignition switch "OFF " and remove the DIAG. terminal from No.2 terminal of diagnosis connector.
85091724


HOW TO READ TROUBLE CODES
The ABS lamp flashes a code corresponding to the faulty parts.

The long segment (1.2 secs on) indicates a "ten", and the short segment (0.3 secs on) indicates a "one".





NOTE: This is the only information provided by the manufacturer for clearing diagnostic trouble codes.

97511505


CLEAR MEMORY
After eliminating problem as per trouble code, clear memory as follows:

Make sure ignition switch is ON (and engine off). Connect one DIAG. terminal (1) on diagnosis connector (2) terminal No.1.

where warning light is flashing, connect the other DIAG. terminal (3) on terminal No. 2 for at least three seconds . After memory is cleared, normal warning light flashing rate resumes. (Warning light flashes every 0.6 seconds (ON-OFF operation.) Memory cannot be cleared if any problem exists.

After clear memory and then DIAG. terminals (1) and (3), extract from diagnosis connector (2)

Jul 27, 2011 | 1999 Subaru Legacy

1 Answer

SRS Light


SRS - that's for air bag, need to have diag. done on air bag system. to fine out what part of it is not working right, auto parts like autozone can pull code's on it for free, get back with us with the code number, so we can help you diag. your trouble code.

Aug 24, 2010 | 2000 Mitsubishi Galant

1 Answer

The abs light on my 2000 grand vitara keeps coming on. What is the problem?


Need to have computer diag. done, withoout a code it be ant bodys guess, go to any auto parts place or some one like autozone and they will pull codes out for free, then get back with us here at FixYa with the code so we can help you diag. your ABS problem code.

Jun 12, 2010 | 2000 Suzuki Grand Vitara

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