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How to run self diagnostics on 2001 chevy - 2001 Chevrolet Silverado 1500

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How to reset srs light in C 180 elegance 2001 model.


The only way to turn the light off is to repair the issue in the system. The SRS module runs a self diagnostics every time the key is turned "ON" and will set the light when any setting is not within parameters. You will need to have the car hooked up to a diagnostic machine capable of accessing the SRS functions and determine the issue. Once the problem is repaired the light should go off on the next key cycle.

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Why did you change the coils ?It didn't change anything ,did it ? Did you test for spark before hand ? Did you check for fuel pressure ? and did you check fro compression. ? No Start Diagnostic Basics EricTheCarGuy You need to find service repair information for you make an model vehicle. The whole idea is to test not guess ,just replacing parts . You just cost your self more then if you had taken it to a ASE certified repair shop !

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2001 chevy impala wont get power to alternator


Auto generator is the main power supply of car, its function is when the engine running, supply power to all electrical equipment to the battery charging at the same time.auto diagnostic tool

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i have a new site for auto diagrams (AA1car.com) auto diagnostic &repair help,give it a try ,hope it helps ,good luck.

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1 Answer

2001 Chevy Silverado 1500 engine 4.3L V6. I just installed a air pump and started the truck.The air pump ran for about 30 second and stopped.I then took the cap off the pump relay and closed the contacts...


The air pump will only run for about thirty seconds on start up to run a self test, it will the run under normal conditions whenever the computer deems nessicary, if you have an airpump related code you most likely have an or vaccine leak somewhere

Jul 31, 2011 | 2001 Chevrolet Silverado

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2001 F-150 cruise control stopped working. Already checked the fuse and it's good. What's next


really tough to do on the net but first we need to know about any codes...

Hold speed control OFF button, and turn ignition switch to RUN position. CRUISE indicator should flash once to indicate successful entry into self-diagnostic mode. If CRUISE indicator does not flash, start procedure over. If CRUISE indicator still does not flash, repair system by symptom there might be some switch concern

If CRUISE CONTROL indicator flashes once followed by 5 additional flashes, replace speed control servo/actuator.

Release speed control OFF button. Within 5 seconds in entering self-diagnostics, press speed control ON button. Press remaining speed control buttons in the following sequence; ON, RES, COAST and SET/ACCEL.

As each button is pressed, CRUISE indicator will flash.

Wait until indicator light goes out, then press next button. After sequence has been completed, indicator light will flash to indicate test passed or failed. With the codes we can then better diagnose your concern

Immediately after static test has passed, actuator performs a dynamic test by automatically operating throttle .04-.40" (1-10 mm). Observe throttle movement to witness any sticking in cable or linkage. Ensure throttle returns properly. Turn ignition switch to LOCK position. If self-diagnostics do not pinpoint fault there is more we can do but tough over the net

Mar 26, 2010 | 2001 Ford F150 Styleside SuperCrew

1 Answer

Battery & brake light came on at same time. new battery & rebuilt alternater 2 yrs ago.


check the charging rate the alternator is producing, if the performance is insufficient, it can cause other warning lights to come on as the system does not have sufficient power to run their self diagnostics within their operating parameters.

Dec 04, 2009 | 2001 Isuzu Rodeo

1 Answer

2001 Merc Marq automatic ac blower motor stopped working. I wired blower directly to battery with a fused switch. This has worked for past 9 months----but, now the compressor stays on when the switch is...


check the fuses and blower motor resister first. Some systems don't have resisters. Use blower motor speed control instead.


SECTION 412-04: Control Components 2001 Crown Victoria/Grand Marquis Workshop Manual
REMOVAL AND INSTALLATION Blower Motor Speed Control Removal and Installation
  1. Disconnect the wire harness connector.
  1. Remove the screws and remove the blower motor speed control.
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  1. To install, reverse the removal procedure.





  • The blower motor is inoperative—EATC
  • Fuse.
  • Circuitry open or shorted.
  • A/C blower motor switch.
  • A/C blower motor resistor.
  • A/C blower motor.
  • Go To Pinpoint Test


----------------------------------------------------------------------------------------------
Electronic Automatic Temperature Control Module Self-Test
  • The EATC module self-test will not detect concerns associated with data link messages like engine coolant temperature or vehicle speed signals. A diagnostic tool must be used to retrieve these concerns.
  • The EATC module self-test will detect concerns in the system control functions and will display hard diagnostic trouble codes (DTCs) in addition to intermittent diagnostic trouble codes for concerns that occur during system operation. The vehicle interior temperature should be between 4° and 32°C (40° and 90°F) when carrying out the self-test. If the temperatures are not within the specified ranges, false in-car temperature sensor DTCs will be displayed.
  • The self-test can be initiated at any time. Normal operation of the system stops when the self-test is activated.
  • To enter the self-test, press the OFF and FLOOR buttons simultaneously and then press the AUTOMATIC button within two seconds. The display will show a pulse tracer going around the center of the display window. The test may run as long as 30 seconds. Record all DTCs displayed.
  • If any DTCs appear during the self-test, follow the diagnostics procedure given under ACTION for each DTC given.
  • If a condition exists but no DTCs appear during the self-test, refer to the Symptom Chart Condition: The EATC System Is Inoperative, Intermittent or Improper Operation.
  • To exit self-test and retain all intermittent DTCs, push the blue (cooler) button. The control will exit self-test, retain all intermittent diagnostic trouble codes and then turn OFF (display blank).
  • To exit the self-test and clear all DTCs, press the DEFROST button. The vacuum fluorescent display window will show 888 and all function symbols for one second. Then, the EATC control assembly will turn OFF (display blank) and all DTCs will be cleared.
  • Always exit the self-test before powering the system down (system turned OFF).
  • Intermittent DTCs will be deleted after 80 ignition switch ON cycles after the intermittent condition occurs.

Apr 16, 2009 | 2001 Mercury Grand Marquis

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