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I GOT CODES THAT SAY REPLACE MY TCM RELAY BUT I CAN NOT FIND IT CAN YOU TELL ME WHERE IT IS?

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If you told what year, model and engine size you have, it may help.

Posted on Sep 02, 2010

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When I first got the code p0882 it told me that transmission solenoid need to be replace because when I drive it was fine until I got ready to go over 40


code p 0882 refers to transmission control module (TCM)--power input signal low === causes ---wiring, short to ground ---TCM
what ever solenoid that was replaced would not fix that code so it would have involved moving wires that improved the problem
code p 0700 refers to transmission control system/MIL---malfunction=== causes -- wiring --- TCM
code p 0562 refers to system voltage-- low === causes wiring ---poor connection---battery--- alternator
it also refers to --ECM power relay control---circuit open===causes ---wiring -- ECM relay
the first 2 codes could be influenced by the last one so have the an accredited auto electrician check the charging system and ECM relay and then check/ replace the TCM if the wiring is good

Nov 22, 2016 | Cars & Trucks

1 Answer

O/d off lite is blinking and got P1624 code (kia spectre)


code p 1624 refers to MIL request signal---TCM to ECM=== causes ---TCM trouble codes stored
it also refers to engine coolant blower motor relay low speed ---circuit malfunction===causes wiring--- relay---ECM
check the wiring and connections from the TCM ( transmission control module ) to the ECM as you have stated the O/D light is showing
other than that exchange the ECM with a known good unit and see if that rectifies the problem

Jun 28, 2016 | Cars & Trucks

1 Answer

2003 dodge caravan code p0888 but my relay has power


code p 0888 refers to transmission control module (TCM) power relay--sense circuit malfunction====causes --wiring---poor connection--TCM power relay---TCM
you have 2 options
1---replace the relay as it may be internally faulty
2---replace the TCM
make sure that all harness connections are clean on the ins ( no corrosion) and tight

Feb 07, 2016 | Dodge Cars & Trucks

1 Answer

1998 Suzuki Esteem 1.6 how to tell if you have a bad auto shifter relay car wont go forward or reverse when it heats up


2nd post, adds wont move.... Great.
you keep saying relay, why ask for non existent relay????
(dreaming of one?, sure.... dig that, its cheap, but...)
it sure is not the shiftlock (park) lock out relay... cuz you shifted, to drive. there is no TCC relay, (its fully electronic drive all 3 solenoids)
so there is no relay, sorry, have Full TCM schematic in hand
zero.

so get is serviced?
or check all fuses yet?
check the A/T fluid levels using the operators guide, (dont guess, or do this wrong)
check line pressure hot>? (i bet fails)
scan the PCM?/TCM?
why do you keep saying relay, with no photos to show?
Sometimes (bad deal) hot ATF fluid can leak internally, and cause a failure.

  1. check all fuses first.
  2. check A/T levels.?
  3. do full flush and fill and pray?
  4. scan it yet, yes, it must be scanned or thto get transmission codes.. all 1998 suz. any normal scan tool connected will show P07xx codes, so that is Next, scan it. (DIY, or get it scanned) best in all cases, SCAN while it FAILS !!!!
  5. the shifter lever moves to drive but the transmission cable does not at the BOX, 2 person checks. to do that.
  6. The FSM book covers. (all on car checks A/T) do so?

Sep 01, 2015 | Suzuki Cars & Trucks

1 Answer

I'm trying to replace the tcm relay on a 2006 pt cruiser 2.4 but the pcm and tcm relay are side by side which one is the tcm relay please


from your picture they use the same relay and i know its not very scientific but change one and if it doesnt do what you expect change the other

Jun 10, 2015 | Cars & Trucks

1 Answer

What is the p0886


code p0886 refers to transmission control module(TCM) power relay--control circuit low===causes wiring short to ground--TCM power relay--TCM
Check for water in the wires and connections--- check the power relay or replace .
As the TCM controls the gear selection and you have made no mention of gear problems , I would be looking at the relay

Aug 10, 2014 | 2005 Smart Cabrio Passion

2 Answers

I bought a 1998 mitsubishi eclipse and the check engine light came on we hooked up the machine to diagnos it and we got 2 codes po700 and p1784 . we are wondering what the codes mean and how to fix the...


DTC 1784: LOW-REVERSE PRESSURE SWITCH
1.Remove transaxle relay from connector. Turn ignition on. Install scan tool and observe low-reverse pressure switch condition. Apply battery voltage to transaxle relay connector terminal No. 8. If low-reverse pressure switch stays off, go to next step. If low-reverse pressure switch turns on, go to step 4 .

2.Raise vehicle enough to allow drive wheels to spin freely. Test low-reverse clutch hydraulic pressure. See HYDRAULIC PRESSURE TESTS under TESTING. If low-reverse clutch pressure test is not within specification, internal transaxle failure exists. If low-reverse clutch pressure test is within specification, observe scan tool.

3.If low-reverse pressure switch turns on, trouble code is intermittent. Check wire harnesses and connectors for damage or poor connection. If low-reverse pressure switch does not turn on, replace solenoid and pressure switch assembly. Recheck trouble codes. If trouble code resets, replace TCM.

4.Check and repair wiring harness between transaxle relay connector and solenoid and pressure switch assembly connector. If wiring harness is okay, check wire between TCM connector terminal No. 10 and solenoid and pressure switch assembly.

5.If wire between TCM connector terminal No. 10 and solenoid and pressure switch assembly is okay, check TCM and solenoid and pressure switch assembly connectors. Repair connectors as necessary. If connectors are okay, recheck trouble codes. If trouble code resets, replace solenoid and pressure switch assembly. Recheck trouble codes. If trouble code resets, replace TCM.

P0700-The Transmission Control Module (TCM) monitors the malfunction of sensors and actuators relating to transmission control. When the TCM detects a malfunction with the control, a signal is send to the Engine Control Module (ECM) to trigger the Engine Light or Service Engine Soon light. The ECM stores the P0700 code and it means the TCM detected a malfunction with the transmission controls.

I would try disconnecting he battery and letting it sit for 5 minutes, then hook it back up to see if they return-the 700 code is probably related to the 1784 code, that seems to be your main issue.

Jun 06, 2011 | 1998 Mitsubishi Eclipse

1 Answer

Wut is a po700 code on a 2004 doge intreped and how do i fix it


The codes mean P0700 Transmission control system malfunction. Unless you've had an automatic transmission apart before I don't recommend it to do it yourselfers. Better to get a professional opinion and avoid really messing it up. That solenoid is part of the valve body and replacing the valve body requires special tools and a bit of expertise. good luck,

Jun 06, 2010 | 2003 Dodge Intrepid

2 Answers

P0700, P0750 and P0755 codes I was driving at 65 mph and the 2003 Dodge Caravan down shifter to low gear and the check engine light came on. It will not ship to high gear.


P0700 (M)
Check Transmission DTC's
This code indicates that the EATX (Transmission controller) has an active fault and has illuminated the MIL via a BUS message. The specific fault must be acquired from the EATX via a DRBIII tool. (Input or Output Speed Sensor failures often cause this code and are a common failure part on WJ Grand Cherokees

P0750
Shift Solenoid circuit.
Note: If code P1767 (Transmission Relay Always On) is also present: Replace transmission solenoid assembly. See note provided. When transmission is in limp mode the relay that provides power to the solenoid group is switched off. This is normal and is designed to provide operation in one gear only. Engineering department suggests to replace transmission solenoid assembly anytime these two trouble codes occur together. See applicable service manual section (21) for solenoid assembly replacement directions. IMPORTANT: When performing this repair always check torque on all valvebody accumulator cover plate screws. Proper torque specification is 70 inch pounds. If any accumulator cover plate screws are damaged or missing replace the valvebody assembly. NOTE: If any other trouble codes are present do not replace solenoid assembly. See test in the applicable Transmission Diagnostic Procedures Manual

P0755
Shift Solenoid B

Oct 14, 2009 | 2003 Dodge Caravan

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