Question about 2001 Pontiac Sunfire

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Failed tcm and light clicking on and off

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There is no TCM in sunfire only truck have a TCM
you might want to say
PCM and engine soon light flashing cause of misfire engine ....retrieve code and you see P0300 or P0301 or P0302 or P0303 or P0304 .the last number is for the cylinder number misfire and the P0300 for multiple misfire
hope it help

Posted on Dec 21, 2014

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I replaced the TCM in my 2005 Chevy colbolt, light come on but car won't start, turn key and anti theft icon comes on but doesn't stay on


TCM ? transmission control module ? Did you have it programmed ? Reprogram the TCM. Refer to Control Module References for programming and setup information.
Transmission Control Module Programming and Setup
The transmission control module (TCM) must be programmed with the proper software/calibrations. Ensure that the following conditions exist in order to prepare for TCM programming:
• The battery is fully charged.
• The ignition switch is in the RUN position.
• The Techline equipment cable connection at the data link connector (DLC) is secure.
Program the TCM using the latest software matching the vehicle. Refer to up-to-date Techline equipment user instructions.
If the TCM fails to program, proceed as follows:
3.1. Ensure that the TCM connection is OK.
3.2. Inspect the Techline equipment for the latest software version.
3.3. Attempt to program the TCM. If the TCM still cannot be programmed properly, replace the TCM.

Feb 08, 2017 | 2005 Chevrolet Cobalt

1 Answer

No overdrive 1992 geo tracker


first the fuses, all 6, yes 6.
4speed tranny, and is TCM (puter brain) shifted.
no flash codes from TCM?
http://www.fixkick.com/tranny/slush/OD-flashes%20now%20what.html
the TCM controls all 3 shift solenoid.
and OD, has many defeat rules in logic of TCM
one is if TCM , sees 4wd drive active it will not use OD
if the TCM sees errors, (did you dump the flash codes yet?)
it fill not use OD
if the TCM , sets limphom mode, (fail safe) it will not use 0D
or may skip second and use 0D. all this is in the FSM.
there is the tcm brain
http://www.fixkick.com/tranny/TCM/Tcm-macro1.jpg
here is a free online fsm on topic.
chapter 7? RTM
http://www.acksfaq.com/trackerfsm.htm
and 8a-39?

Mar 25, 2013 | 1992 Geo Tracker

1 Answer

What do the codes p1521,p0456, and p0700 mean


Trouble Code: P0456

EVAP System Small Leak Detected

Possible Causes:


Fuel tank cap is damaged, loose or the wrong part number.Small leak present somewhere in the EVAP system. Trouble Code: P0700

Automatic Transmission Control System Malfunction

Possible Causes:


The presence of this code means the TCM detected a problem.TCM related Sensor has solenoid is damaged or has failed.This code is for information only - check for other TCM codes.TCM or PCM has failed. CODE P1521 IS WRONG OIL TYPE.DID YOU DO THAT?

Feb 07, 2013 | 2006 Dodge Durango

1 Answer

P1779 p1780 p1795 p0700 p2176


Trouble Code: P0700

Malfunction Indicator Lamp Circuit Malfunction (TCM)

Possible Causes:


MIL control circuit is shorted to ground.Check the TCM for any trouble codes in memory that are responsible for the request to turn on the MIL.TCM has failed.Trouble Code: P1780

Engine Torque Signal Circuit Malfunction

Possible Causes:


.Perform the Diagnostic System Check for the Engine Controls.TCM needs to be replaced.Trouble Code: P1795

Throttle Plate Position Invalid Data Received

Possible Causes:


Perform the Diagnostic System Check for the Engine Controls.TCM may need to be replaced to repair this trouble code.Trouble Code: P2176

Throttle Position Sensor Minimum Position Not Detected

Possible Causes:


TAC motor control circuit (one or more) open or shorted to B+.TAC motor control circuit (one or more) shorted to ground.Throttle valves not at the "rest" position.Throttle valve are binding open, or are binding closed.Throttle valves moving open or closed without spring pressure.TP connector is damaged, open or shorted.Throttle body assembly is damaged or it has failed.PCM has failed.Couldn't find code P1779.

Nov 17, 2012 | 2003 Cadillac CTS

1 Answer

P0700 and p0978


Trouble Code: P0700

Automatic Transmission Control System Malfunction

Possible Causes:


The presence of this code means the TCM detected a problem.TCM related Sensor has solenoid is damaged or has failed.This code is for information only - check for other TCM codes.TCM or PCM has failed.Code PO978 is not listed.

Nov 05, 2012 | 2003 Dodge Durango

1 Answer

Maifunction indicator light comeing on


Trouble Code: P0340

No Camshaft Position Sensor Circuit Failure

Possible Causes:


CMP Sensor connector is damaged, open or it is shorted.CMP Sensor signal circuit is open or shorted to ground or to battery voltage or 5v supply circuit.CMP Sensor 5v supply circuit is open or shorted to ground or to battery voltage.CMP Sensor ground circuit is open.CMP Sensor is damaged or has failed.CKP Sensor is damaged or has failed.PCM has failed.Trouble Code: P0700

Automatic Transmission Control System Malfunction

Possible Causes:


.The presence of this code means the TCM detected a problem.TCM related Sensor has solenoid is damaged or has failed.This code is for information only - check for other TCM codes.TCM or PCM has failed.Sorry but the PO620 is not listed.

Nov 05, 2012 | 2004 Jeep Grand Cherokee

1 Answer

Put trans in works great but has a code po 0700


P0700 is a generic fault code indicating a transmission problem. It's possible it's a left over code from the bad transmission you replaced. You may need to have the code cleared at a transmission shop that uses a different code reader to clear the code. Unfortunately, unlike the standard OBDII code reader, the transmission codes don't always reset themselves after a repair is made.

Oct 13, 2011 | 2000 Jeep Cherokee

3 Answers

Car does not run ,I check the code ,it is P0700


Because it is not starting, you should replace the Crankshaft sensor (above the oil filter, back of the engine)-it will cause a P0700-I have a 99 SL2, 178,000 miles


DTC) CODE # P0700....Transmission Control System (MIL Request)
Translation: Transmission Control Module (TCM) Malfunction or Failure. P0700 Information Code The Transaxle Control Module (TCM) monitors the malfunction of sensors and actuators relating to transaxle control. If any malfunction is detected, the TCM informs the PCM by sending a signal (P0700 code). P0700 means that a code has been set in the TCM. This code is for information ONLY. If this code is present, check for transaxle codes. So basically, the P0700 code is telling you to check the TCM for a transaxle DTC. The TCM can not turn on the check engine light so it has the PCM do it. The dealer probably saw the code P0700 and went to the TCM and pulled out the code stored there telling them the Transmission Solenoid Assembly (TSA) is bad. This is a good example of understanding what the codes actually mean. If the manual you looked at said the TCM is bad and to replace the TCM when you see a P0700, then it is wrong.

Jan 24, 2011 | Saturn Ion Cars & Trucks

1 Answer

2002 Dodge Intrepid- check engine light came on gave me trouble code PO700?


This code indicates an automatic transmission control problem. The presence of this code means that the transmission control module or TCM has detected a fault and relayed it to the PCM. It could be a TCM related solenoid has failed or is damaged or the TCM itself could be faulty. Best wishes.

Aug 18, 2009 | 2002 Dodge Intrepid

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