Question about 1991 Buick Roadmaster

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Buick roadmaster diagnostics codes

I need to find out what the diagnostics codes mean (i.e. 01-09) that readout when running the self diagnostic process to the climate control system for a '92 buick roadmaster.

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6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

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  • 41 Answers

SOURCE: self-diagnostic test

hope this helps
http://npora.ipbhost.com//index.php?showtopic=21

Posted on Nov 24, 2008

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cortez_marco
  • 58 Answers

SOURCE: AC 92 Buick Roadmaster

u prob need to recharge ur ac

Posted on Feb 15, 2009

emissionwiz
  • 76691 Answers

SOURCE: RE: 1991 Buick Park Ave. climate control stopped

IT MEANS U HAVE A LOW SYSTEM REFRIDGERENT CHARGE BECAUSE OF A LEAK AND NEED TO REPAIR IT AND HAVE THE SYSTEM RECHARGED, MOST COMMON SOURCE OF LEAK IS ac COMPRESSOR FRONT SHAFT SEAL

Posted on Jul 09, 2009

honeymokey
  • 3113 Answers

SOURCE: No Heat in my 1994 Buick Roadmaster sedan blower

The heater core may be stopped up. Try to back flush it with a water hose.

Posted on Dec 07, 2009

  • 279 Answers

SOURCE: where is the blower motor located on 92 buick

Passenger side of dash, directly underneath the glove compartment. Remove the plastic cover under the dash to access the motor.

Posted on Jan 30, 2010

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Light abs traction control stays 1998 buick park avenue


PRE-DIAGNOSTIC INSPECTIONBefore diagnosing ABS/TCS, perform a comprehensive visual inspection of system as follows.Check ABS/TCS wiring harness connectors for looseness. Check harness routing; pay particular attention to wheel speed sensor wiring harness routing. Check fuses No. 1D, 5B and 6B in instrument panel fuse block. Check fuses No. 1 and 2 in underhood fuse block. Check brake fluid level in master cylinder reservoir. Check brake fluid level in Pressure Modulator Valve (PMV) assembly reservoir. Ensure parking brake is fully released. Ensure parking brake switch is functioning properly. Always perform ABS/TCS system functional check before using DIAGNOSTIC CODE CHARTSThe EBCM/EBTCM has self-diagnostic capability, which can detect system failures. Fault codes stored by EBCM/EBTCM can be displayed using Tech 1 scan tester. There are no provisions for flash code diagnostics.Begin ABS/TCS diagnosis with PRE-DIAGNOSTIC INSPECTION procedure. If failures are found during pre-diagnostic inspection, perform necessary repairs, and proceed with ABS/TCS FUNCTIONAL CHECK. See Fig. 5 .If no failures are found during pre-diagnostic inspection, go to ABS/TCS FUNCTIONAL CHECK. See Fig. 5 . The ABS/TCS FUNCTIONAL CHECK will either indicate ABS/TCS is functioning properly or direct technician to various diagnostic procedures such as diagnostic charts, symptom diagnosis or BRAKE warning light diagnosis.CHART D - TRACTION OFF WARNING LIGHT ON CONTINUOUSLY & NO DTC SET (BUICK WITH UH8 OR U2A INSTRUMENT CLUSTER)Circuit DescriptionWhen ignition switch is first turned to RUN position, EBTCM goes through a self-test, which lasts 2-4 seconds. During self-test, EBTCM commands TRACTION OFF indicator warning light on. Powertrain Control Module (PCM) can also command EBTCM to set a Code 75 which will illuminate TRACTION OFF indicator.Traction control switch is located either on instrument panel center trim plate or driver's front door trim panel. Switch allows driver to select traction control mode (on/off). When traction control system is turned off, TRACTION OFF warning light comes on.EBTCM monitors transaxle temperature through

Jul 12, 2014 | 1998 Buick Park Avenue

1 Answer

I have a 95 buick le saber 3.8 ltr. It back fires when running. But when check engine light is on it wont back fire. It does sound louder with check engine light on. Changed coils. I need help trying to...


You need to scan the computer for trouble codes. If the light was on, there must be codes set. On a '95 Buick, it would be OBD-1, On Board Diagnostics-first generation ('96 and later is all OBD-2).
The diagnostic connectors are different for OBD1 and OBD2, but in '94 and '95, GM was on some models using a "hybrid" diagnostic link connector. You will just have to find the right diagnostic connector to get your codes. The guys at autozone or a national parts store who do engine scans for free may help you figure it out. If it is a straight forward OBD 1 connector, a cheap code reader could scan for trouble codes. For the OBD1, you can also use a jumper wire between terminals
A & B of the diagnostic link connector. Turn key to on, and two digit codes will begin to flash on the check engine light. Code 12, for instance, would be a flash, pause, two short flashes, and longer pause before the next code appears. Code 12 by the way, just means that the computer is in diagnostic mode-after that any set codes will appear or be flashed. Code 55 may also be flashed-this code means the end of codes that are set.

Sep 06, 2013 | 1994 Buick LeSabre

1 Answer

The pass key came on then went back out what does this mean


To pass out means to lose consciousness due to a sudden trauma. More diagnostic tools for car.

Oct 29, 2012 | 1994 Buick Roadmaster

1 Answer

Car quits when idling


check the coil packs..if one is breaking down car can idle rough then stop..this can be done by getting a diagnostic readout

Sep 23, 2012 | 1993 Buick Roadmaster

1 Answer

I put plugs and wires in my roadmaster and new feul pump and it wont stay running,what to do?


Do a system test with a diagnostic scan tool and check for any trouble codes> Do a compression test> Check valve timing make sure that when #1 cylinder is firing the piston is at TDC.> Chech for vacuum leaks > check for exaust back pressure (plugged catalytic converter)>good luck

Mar 23, 2012 | 1993 Buick Roadmaster

1 Answer

I have a 93 buick roadmaster estate wagon a light comes on at startup saying enfl rest. What does this mean?


They all do this. It does a self diagnostics check on the air bags every time it is started and if it has no problems the light will go out.

Nov 11, 2009 | 1993 Buick Park Avenue

1 Answer

RE: 1991 Buick Park Ave. climate control stopped working. Pulled codes 38 & 152 per self diagnostic procedure. What do these codes mean?


IT MEANS U HAVE A LOW SYSTEM REFRIDGERENT CHARGE BECAUSE OF A LEAK AND NEED TO REPAIR IT AND HAVE THE SYSTEM RECHARGED, MOST COMMON SOURCE OF LEAK IS ac COMPRESSOR FRONT SHAFT SEAL

Jul 09, 2009 | 1991 Buick Park Avenue

1 Answer

Pass key light blinking car will not start


It has to do with the security system. It is under code lock. Get a diagnostic centre to decode for you.

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Mar 19, 2009 | 1994 Buick Roadmaster

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