Question about 1996 Dodge Caravan

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Service engine light on. code is for pcm. It reset the first time and now won't reset. were is pcm located? and does it need to be programmed with the vin number?

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You won't have the knowledge for that issue

Take it to a repair shop to have it
diagnosed

Posted on Mar 13, 2011

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Posted on Jan 02, 2017

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2008 chevy silverado 4 wheel drive, check engine light on


Your joking right ? No such thing , vaporizer. What , your engine is congested . obviously you don't know to much about check engine light diagnostics . To turn the light off , you need to retrive the codes stored in the PCM/ECM engine computer an then do the diagnostics for that code an fix the problem , be it a wiring issue or sensor . Then the light will go off . If you not joking ., i suggest you take it to a qualified repair shop .

Jan 28, 2017 | Chevrolet Silverado Cars & Trucks

1 Answer

Where the ecm/pcm located on a chevy avalanche 2002


The pcm is just under the battery on the left side of the engine compartment. The PCM need to be calibrated to the truck and motor. If you just put it in the motor may not start. Read over the information I have attached before you do this. Ken Powertrain Control Module Replacement Service of the powertrain control module (PCM) should consist of either replacement of the PCM or electrically erasable programmable read only memory (EEPROM) programming. If diagnostic procedures call for the PCM to be replaced, the replacement PCM should be checked to ensure that the correct part is being used. If the correct part is being used, remove the faulty PCM and install the new service PCM.
Important: To prevent internal PCM damage, the ignition must be OFF when disconnecting or reconnecting power to the PCM. For example, when working with a battery cable, PCM pigtail, PCM fuse, or jumper cables. • Remove any debris from the PCM connector surfaces before servicing the PCM. Inspect the PCM module connector gaskets when diagnosing or replacing the PCM. Ensure that the gaskets are installed correctly. The gaskets prevent contaminant intrusion into the PCM. • The replacement PCM must be programmed.

Removal Procedure

    Important: It is necessary to record the remaining engine oil life. If the replacement module is not programed with the remaining engine oil life, the engine oil life will default to 100%. If the replacement module is not programmed with the remaining engine oil life, the engine oil will need to be changed at 5000 km (3,000 mi) from the last engine oil change.
  1. Using a scan tool, retrieve the percentage of remaining engine oil. Record the remaining engine oil life.

Nov 30, 2016 | Cars & Trucks

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Hi it is me again with the 2007 chevy tahoe i change the fuel pump control module and the vehicle will not start when i turn on the key the check light staying on code p0602 what causing that?


P0602 CHEVROLET P0602 CHEVROLET - Powertrain Control Module Programming Error Repair Importance Level: 3/3 Repair Difficulty Level: 3/3 alt="What does this mean?"> Share alt="Share on Facebook"> alt="Share on Twitter"> alt="Share on Linkedin"> alt="Share on Google Plus"> alt="AutoCodes.com"> alt="Print Version"> alt="PDF Print"> alt="Share Code"> 0 alt="P0602 Chevrolet Comments"> ' Add Comment alt="Close Selection"> http://www.autocodes.com/p0602_chevrolet.html Forum Code Possible causes - Powertrain Control Module (PCM) not programed
- PCM program
- Faulty PCM
- Wrong PCM
alt="What does this mean?"> What does this mean? Possible symptoms - Engine Light ON (or Service Engine Soon Warning Light) P0602 Chevrolet Description This diagnostic trouble code (DTC) indicates that the Powertrain Control Module (PCM) internal EEPROM is not flashed with any vehicle software. If you install a service PCM and do not flash the EEPROM, the engine will not run. This DTC indicates that an un-flashed PCM causes the engine cranks but will not run situation.


Read more: http://www.autocodes.com/p0602_chevrolet.html#ixzz3xAfHr3TX

and a video


2006 08 Chevy Cobalt Transmission Control Module FIX Easy BCM Problem...

Jan 13, 2016 | Cars & Trucks

1 Answer

P0372 code


Possible causes


- Timing Reference Optical Sensor harness is open or shorted

- Timing Reference Optical Sensor circuit poor electrical connection

- Faulty Timing Reference Optical Sensor

- Damaged Powertrain Control Module (PCM)


What does this mean?



When is the code detected?


Some high resolution pulses are missing from the optical sensor to the PCM


Possible symptoms


- Engine Light ON (or Service Engine Soon Warning Light)


P0372 Description



The optical sensor provides a high resolution signal to the Powertrain Control Module (PCM) by counting pulses on the sensor disk located in the injection pump. The high resolution is one of the most important inputs by the PCM for fuel control and timing. This test monitors the number of high resolution pulses which have been missed (not detected). It's based on a comparison between the number of pulses that were detected since the last pump cam pulse and the number of the pulses that should have occurred. There are approximately 64 high resolution pulses for every cam pulse.







Read more: http://engine-codes.com/p0372.html#ixzz3TGBdDBdF

Aug 06, 2014 | 1999 Cadillac Seville

1 Answer

Error code p0601-fixya


in dodge means that the powertrain control module [pcm] had a problem or shorted 6 times [dodge and Chrysler have been known for this problem] you can try a reset on the code--- or if in reduced power mode or lack of engine power may need to replace the pcm ,but try reset first,if pcm bad than you will have to have the new one flashed [programed to your vehicle ] which more than likely is a trip to dealer for flash not many auto shops have the computer software to do this

Apr 22, 2014 | 2001 Dodge Caravan

1 Answer

How to restart computer to get the codes off the dshboard?


need to have vechicle code scan. there is a reason when you see check engine light flashing. the pcm has locate a fault in the engine control system. could have vacuum leak, missing or loose gas cap.could be getting engine misfire.you need to have vechicle code scan at dealership or auto zone which will do it free see what causing check engine light to flash.you cant erase code from pcm long as problem remains.the check engine light only can be reset when you fix problem.but you need code scanner to erase code.

Nov 05, 2012 | 2007 Volkswagen Golf GTi

4 Answers

When I start my car the "check engine light" stays on. Its running fine and all the fluid levels are fine.


Some fault code is stored in the PCM (computer), generally could be some emissions code, but to know excalty what faulto code is, you need scanned the PCM. Some Autozone or Autoshop with scanner reader sometimes make this job for free.

Hope helps

May 28, 2011 | 2006 Ford Taurus

1 Answer

How do i canceal my service engine light


The light can be reset with a scan tool. However, the light is on because the pcm has detected a problem in the emission control system. Pull the code from the computer with a scan tool or code reader, clear the SES Light and post the code here if you need additional assistance.

Jul 02, 2009 | 1999 Suzuki Grand Vitara

1 Answer

My 1998 ford expedition won t start and the theft


the light blinks when the system is armed. Normal.

Your key has to be able to communicate with the receiver in the ignition area. Does your other key work ok?

Anti-Theft The passive anti-theft system (PATS) uses radio frequency identification technology to deter a driveaway theft. Passive means that it does not require any activity from the user.
  • During each vehicle start sequence, the ignition key identification code is requested by the PATS module.
  • If the key's ID code has been programmed into the system, the vehicle powertrain control module (PCM) (12A650) is allowed to operate; this allows the vehicle to start.
  • If the key's ID code is not programmed into the PATS module, or if no encoded key is detected, then the vehicle PCM is disabled.
The PATS module, located under the driver side instrument panel, communicates the state of the security system to the PCM via the module communications network. The PCM, based on the communications from the PATS module, will determine if the vehicle's engine will be enabled to start. If the PCM prevents the vehicle from starting because of PATS, the PCM will store a DTC in memory.
-------------------------------------------------------------------------
The anti-theft vehicle protection system utilizes the THEFT indicator, located in the instrument cluster (10849), when the ignition switch is turned to the RUN/START position. The indicator provides system prove out and operating status to the customer or technician.
Each PATS ignition key holds electronics that give each key a unique ID code.
The PATS will activate the indicator signal when the ignition switch is turned to the RUN/START position. The THEFT indicator will turn ON for two seconds, then turn OFF.
If the THEFT indicator flashes for one minute or more, this indicates that there was no key code received.
When the vehicle ignition switch is placed in either RUN or START, the PATS module requests the ignition key ID code. The PATS module requests the ignition key ID code by supplying power, ground, and the carrier signal to the transceiver to energize the ignition key. After the energize period, the key transmits its ID code to the transceiver module, which sends it to the PATS module.
The PATS module then compares the received KEY ID code to those stored in memory (16 maximum). If the ID matches, the PATS module sends an enable signal to the PCM over the module communication network.
The passive vehicle protection system utilizes the engine management capabilities of the PCM to enable or disable the vehicle engine. The module communication network is used to send and receive messages to and from the PCM.
Within one second after engine start, the PCM must receive an enable signal from the PATS module through the module communication network or the engine is disabled before the vehicle can be moved.
If the PATS module recognizes a stored ignition key code but there is a module communication network concern preventing the PCM from recognizing the start enable signal from the PATS module, the vehicle engine will be disabled. If this happens, the PATS module will flash the THEFT indicator for one minute, then flash diagnostic trouble code 16 ten times to indicate there is a problem with the module communication network circuits or the PCM is not responding properly.
The passive vehicle protection system will disable the vehicle from starting if there is a:
  • Damaged encoded key.
  • Unprogrammed key.
  • Non-encoded key (key has no electronics).
  • Wiring concern.
  • Transceiver concern.
  • Control module concern.
  • Module communications network concern.
  • ----------------------------------------------------------
Key Programming —Spare Key NOTE: Before starting this procedure, make sure the key(s) you want to program have the correct mechanical cut.
NOTE: Performing this procedure does not erase existing programmed keys.
  1. Insert the programmed key in the ignition. Turn to RUN.
  1. THEFT indicator proves out after two seconds.
  1. Remove the programmed key.
  1. Within 15 seconds, insert the new key in the ignition and turn to RUN.
  1. THEFT indicator proves out after two seconds.
  1. The extra key is now programmed.
------------------------------------------------------------------------------------
Key Programming —New Key (Without Diagnostic Tool) NOTE: Before starting this procedure, make sure the key(s) you want to program have the correct mechanical cut.
  1. Insert the nonprogrammed key in the ignition and turn to RUN.
  1. THEFT indicator flashes rapidly.
  1. After 15 minutes of flashing, the THEFT indicator will stop flashing.
  1. Within five minutes after the THEFT indicator has stopped flashing, turn the ignition key to OFF and back to RUN.
  1. After 15 minutes of flashing, the THEFT indicator will stop flashing.
  1. Within five minutes after the THEFT indicator has stopped flashing, turn the ignition key to OFF and back to RUN.
  1. After 15 minutes of flashing, the THEFT indicator will stop flashing.
  1. All originally programmed keys are now erased, and only the key in the ignition is programmed.
  1. Additional keys may be programmed; refer to Key Programming—Spare Key .
---------------------------------------------------------------------------------------

Jun 17, 2009 | 1998 Ford Expedition

1 Answer

2001 Dodge Dakota Engine Light


below is coped directly from Chrysler. sorry but if you have that code you need a PCM

Symptom:

P0601-PCM INTERNAL CONTROLLER FAILURE
POSSIBLE CAUSES
POWERTRAIN CONTROL MODULE
TEST ACTION APPLICABILITY

1 NOTE: This DTC indicates an internal PCM problem.
If there are no possible causes remaining, view repair.

All
Repair
Replace and program the Powertrain Control Module in accordance
with the Service Information.

Perform POWERTRAIN VERIFICATION TEST VER - 2.
38
COMMUNICATION

Mar 25, 2009 | 2001 Dodge Dakota

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