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Code p1627 conversion malfunction - 2002 Daewoo Nubira

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Getting Code #P1627 on a 2000 Daewoo Laganza

the TCM/engine control module is showing up as faulty--- A/D conversion malfunction === causes are the tcm/ ecm

Dec 14, 2013 | Daewoo Leganza Cars & Trucks

1 Answer

1998 Isuzu amigo p1627 code

fuel sending unit is malfunctioning. check wire conectors and grounds from gas tank. if they are fine then you need a new sending unit. you may notice the fuel guage doesn't work properly

Mar 14, 2013 | Isuzu Cars & Trucks

1 Answer


take it to dealer

Sep 28, 2012 | 2000 Mazda MPV

1 Answer

Ok i am working on my mothers car and it has fauty code #P1627, What is thus for ?

That is a manufacture code,not a generic one

Need a repair shop or dealer

Jul 09, 2012 | Daewoo Nubira Cars & Trucks

1 Answer


That is a Manufacturers Code

I put the code into internet explorer & got
what you see below

P1627 --PCM A/D Conversion Malfunction

PCM ---Powertrain Control Module (computer)
A/D --- I guess is a binary analog to digital function
that your not getting processed correctly

I have no idea what you do,that is why I have all the
factory manuals for my vehicles

Any other codes?

I wouldn't leap on a bad PCM,they don't fail often

A bad sensor could fool it or spike it into being confused

Jun 15, 2011 | Isuzu Rodeo Sport Cars & Trucks

1 Answer

The car has 2 codes first p0113 then p1627

P0113 - Intake Air Temperature Sensor (IAT sensor) Circuit High Input. Possible causes - Dirty air filter
- Intake air temperature (IAT) sensor harness is open/disconnected or shorted
- Intake air temperature (IAT) sensor electrical circuit poor connection
- Faulty intake air temperature sensor. P1627 PCM/ECM A/D Conversion Error

This is a code indicating that the on-board computer could not convert a piece of data it was given by one or more sensors. This one must be taken in and read the freeze frame data to see under what condition it detected an error and tech has to chase this problem. they will want to put a PCM in it and reprogram. no good news for this problem except have the code cleared for now and hope it doesn't come back.

Apr 26, 2011 | Daewoo Lanos Cars & Trucks

1 Answer

I keep getting to trouble codes in the computer on my Isuzu Rodeo. P300 and P1627

P0300 - Engine misfire detected
P1627 - PCM analogue to digital conversion malfunction.
These 2 often come up together when theres a problem with the fuel level sensor. The sensor sits underneath the filter. Remove its connector. Resistance shold be 80-180ohm. You may also notice weird readings from your fuel guage.

Aug 05, 2010 | 2000 Isuzu Rodeo

1 Answer

Autozone reading PO113, PO201, PO204, PO300, PO342, P1627

You may be biting off more then you want to chew.
P0113 is intake air temperature circuit high input.
P0201 is injector circuit malfunction cyl.#1.
P0204 is injector circuit malfunction cyl.#4.
P0300 is random - multiple misfire detected.
There isn't just one reason why these codes came up. A scan-tool is needed to confirm live data and to run some tests to see if these codes are true. some codes come up because something else has malfunctioned.
The intake temp sensor sould be inside the MAF sensor.
You may have more questions, please ask away.

May 05, 2010 | 2000 Daewoo Lanos

1 Answer

Signifique code p-1627

Trouble code P1627 means: PCM A/D Conversion Malfunction

This is a fuel sending unit code and it directly related to you goofy gas gauge. This is a common problem in 2nd Gen Isuzus. The fuel sending unit needs to be replaced. Most places will tell you that you must replace the entire fuel pump assembly module but you can buy just the sending unit.

Other faults to refer this problem and other c
odes: P0141, P0300, P0404, P1404, P1627, with this synthoms:
hesitates sometimes on takeoff, gas gauge gives random readings(sometimes will read empty, or full, or somewhere in between), Fuel light flashes sometimes.

Hope helps.

Mar 16, 2010 | 2000 Isuzu Rodeo

1 Answer

I have a 2001 daewoo nubira and my obd II scanner gave me the code of P1627 can any one assist me with this problem.

Code P1627 description is as follow: TCM/transmission control module/ or ECM/engine control module/ convertion malfunction.If your Nubira has automatic transmission and do not moved - change TCM. If there is any engine problem-change ECM. Use your OBD || scanner to delete trouble code and check again/make new diagnostic test after few minutes.If come again-go to change.

Jan 12, 2010 | 2001 Daewoo Nubira

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