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P0605 PCM random access memory (ram) error 3vwdc21v9ym808531

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Posted on Jan 02, 2017

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SOURCE: what is tcm internal memory error. Check engine

Transmission Control module; It is monitored when the ignition key is on. In short, the software has failed and does not match a calculated value. This is an internal fault that requires TCM replacement.

Posted on Aug 29, 2011

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2005 chevy malibu damage Light front end damcodend error codes P0401 P0605 P0842 P0642 The 0401 code is being thrown twice and I belive it is the egr wich is common on these cars from what my buddy tells...


DTC P0401 Exhaust Gas Recirculation (EGR) Flow Insufficient
Probably plugged passage's , not the EGR valve .
What type code reader are you using to read these codes ? I have factory service info. Doesn't show P0842 or P0642 , no such codes . You don't show what engine yours has , I'am assuming you have 3.5 L !
P0604
Control Module Random Access Memory (RAM)
PCM
DTC P0601, P0602, P0603, P0604, P0605, P0606, P0607, P1600, P1621, P1627, P1680, P1681, P1683, or P2610 in Engine Controls - 2.2L (L61)
or
DTC P0601, P0602, P0603, P0604, P0605, P0606, P0607, P1600, P1621, P1627, P1680, P1681, P1683, or P2610 in Engine Controls - 3.5L (LX9)

P0717
Input Speed Sensor Circuit Low Voltage
PCM
DTC P0717 in Automatic Transaxle - 4T40-E/4T45-E
P0741
Torque Converter Clutch (TCC) System - Stuck Off
PCM
DTC P0741 in Automatic Transaxle - 4T40-E/4T45-E
P0742
Torque Converter Clutch (TCC) System - Stuck On
PCM
DTC P0742 in Automatic Transmission - 4T40-E/4T45-E
P0748
Pressure Control (PC) Solenoid Control Circuit
PCM
DTC P0748 in Automatic Transmission - 4T40-E/4T45-E
P0751
1-2 Shift Solenoid (SS) Valve Performance - No First or Fourth Gear
PCM
DTC P0751 in Automatic Transmission - 4T40-E/4T45-E
P0752
1-2 Shift Solenoid (SS) Valve Performance - No Second or Third Gear
PCM
DTC P0752 in Automatic Transmission - 4T40-E/4T45-E
P0753
1-2 Shift Solenoid (SS) Control Circuit
PCM
DTC P0753 in Automatic Transmission - 4T40-E/4T45-E
P0756
2-3 Shift Solenoid (SS) Valve Performance - No First or Second Gear
PCM
DTC P0756 in Automatic Transmission - 4T40-E/4T45-E
P0757
2-3 Shift Solenoid (SS) Valve Performance - No Third or Fourth Gear
PCM
DTC P0757 in Automatic Transmission - 4T40-E/4T45-E
P0758
2-3 Shift Solenoid (SS) Control Circuit
PCM
DTC P0758 in Automatic Transmission - 4T40-E/4T45-E
P0815
Upshift Switch Circuit
PCM
DTC P0815 in Automatic Transmission - 4T40-E/4T45-E
P0816
Downshift Switch Circuit
PCM
DTC P0816 in Automatic Transmission - 4T40-E/4T45-E
P0826
Up and Down Shift Switch Circuit
PCM
DTC P0826 in Automatic Transmission - 4T40-E/4T45-E
P0973
1-2 Shift Solenoid (SS) Control Circuit Low Voltage
PCM
DTC P0973 in Automatic Transmission - 4T40-E/4T45-E
P0974
1-2 Shift Solenoid (SS) Control Circuit High Voltage
PCM
DTC P0974 in Automatic Transmission - 4T40-E/4T45-E
P0976
2-3 Shift Solenoid (SS) Control Circuit Low Voltage
PCM
DTC P0976 in Automatic Transmission - 4T40-E/4T45-E
P0977
2-3 Shift Solenoid (SS) Control Circuit High Voltage
PCM
DTC P0977 in Automatic Transmission - 4T40-E/4T45-E

Sometimes with code readers they get confused an just throw any old codes . Have it checked by someone with GM Tech 2 scan tool .

Aug 03, 2017 | Chevrolet Malibu Cars & Trucks

1 Answer

What is code P0605


It's an internal PCM memory error. Likely means you'll need a new PCM.

May 07, 2014 | 2008 Ford F-150

1 Answer

My 2004 nissan sunny FB15, engine QG15 has error P0605 ecm


replace the ECM as has a ROM ( random operational memory ) problem. Resetting the CPU program may help ( use a scanner tool) but I would not hold my breath for this .

Mar 21, 2014 | 1996 Nissan Sunny

1 Answer

Loss of communication with the tcm and pcm


The onboard computer, or Powertrain Control Module (PCM),is the brains of the engine control system, so when the brain is not functioning correctly neither is the engine or anything else that the microprocessor controls - which may include the charging system, transmission, various emission controls and communications with other onboard control modules. Once a diagnosis has been made (and we emphasize the word diagnosis), then and only then should the PCM be replaced.
P0600....Serial Communication Link

P0601....Internal Control Module Memory Check Sum Error

P0602....Control Module Programming Error

P0603....Internal Control Module Keep Alive Memory (KAM) Error

P0604....Internal Control Module Random Access Memory (RAM) Error

P0605....Internal Control Module Read Only Memory (ROM) Error

P0606....ECM/PCM Processor

P0607....Control Module Performance

P0608....Control Module VSS Output 'A'

P0609....Control Module VSS Output 'B'

P0610....Control Module Vehicle Options Error

If you see any of these codes when diagnosing the vehicle with a code reader or scan tool, it may mean the PCM has failed and must be replaced. Additional diagnostic tests will usually be necessary to confirm the problem is really the powertrain control module and NOT something else. Refer to the OEM diagnostic charts for what these tests are. Usually it involves checking certain inputs to the PCM to see if it outputs the correct response. No response or an incorrect response usually means the PCM is defective and needs to be replaced.
All too often, technicians tend to blame that which they understand least. If an engine is not running right and the cause is not obvious, they may blame the computer. Throwing parts at a problem in an attempt to solve it may be good for the parts business, but when a customer brings a PCM back because it failed to fix their problem, nobody wins. Warranty returns on complicated and expensive components like powertrain control modules are an ongoing problem that costs everyone money.
UNNECESSARY POWERTRAIN CONTROL MODULE RETURNS. Over 50 percent of PCMs that are returned under warranty (either because the PCM failed to fix a performance problem or because the engine did not run properly after it was installed) have nothing wrong with them! So it is obvious a lot of people are swapping computers to see if a different PCM will fix their problem.
The trouble with returns is if the PCM has been on the car, you have no way of knowing if it is still "good" or not. Somebody may have crossed up some wires, zapped the PCM with too much voltage or who knows what? The computer needs to be tested and verified before it can go back on the shelf and be sold to somebody else.
Unfortunately, there is no easy way of doing that in a parts store. The PCM has to be hooked up to a sophisticated simulator that exercises all of the computer's input and output circuits to make sure it works correctly - which means the PCM has to go back to the supplier, be retested, and if no fault is found, repackaged and put back into stock.
Be warned, though, that many parts stores have a policy of "no returns or refunds on electronic components."

Mar 20, 2014 | 2005 Lincoln Navigator

2 Answers

2001 dodge intrepid 2.7. Code p0605. Changed tcm started car no service engine light. Pulled out but wouldnt shift into 3rd or overdrive still. Service eng. Light came back on now what do I do?


I can't remember what a PO605 code is off-hand, but I do know that it is a PCM code, and not a BCM code. There are 2 different computers.

Oct 29, 2013 | 2001 Dodge Intrepid

1 Answer

Check engine light has been on for a long time. 4 diagnostic codes: PO128, PO315, PO604, PO62F I can't find what the codes mean.


p0128 is coolant temperature sensor below range, change sensor. p0604 is pcm random access mem ( ram error. it may mean the pcm has failed, have it checked out..

Aug 04, 2011 | 2007 Chevrolet Cobalt Coupe

2 Answers

Code p0605. 2006 f 150


Powertrain Definition: Internal Control Module Read Only Memory (ROM) Error P0605 FORD Description The ECM consists of a microcomputer and connectors for signal input and output and for power supply. The ECM controls the engine.
Most common cause of this code is a defective ECM (Electronic Control Module), in your year the part is known as the PCM (Powertrain control module)

Jan 27, 2011 | 2006 Ford F-150

1 Answer

Recently my check engine light came on and I did a diagnostic to find a P0607 error to appear. The code had read something about a power train control module. I will probably end up taking my car into the...


P0601 Internal Control Module Memory Check Sum Error
P0602 Control Module Programming Error
P0603 Internal Control Module Keep Alive Memory (KAM) Error
P0604 Internal Control Module Random Access Memory (RAM) Error
P0605 Internal Control Module Read Only Memory (ROM) Error
P0606 ECM/PCM Processor
P0607 Control Module Performance
P0608 Control Module VSS Output "A"
P0609 Control Module VSS Output "B"
P0610 Control Module Vehicle Options Error
The p0607 error says Control Module Performance. It has something to do with the Control Module for the powertrain as you indicated. But, you may be able to take your car to a transmission shop to alleviate the problem using a transmission expert.

I don't think that it doesn't have anything to do with the engine, itself, even though it's listed under a driveability related code.

Good luck on this repair.

Jan 14, 2011 | 2002 Dodge Stratus

2 Answers

I have a ford f 250 with dtc code p0606, Internal Ctrl Mod Kam Error, what is wrong and how do I correct or fix


There is no P0606? P0602, P0603 or P0605. P0603 KAM interrupt can be a blown fuse or low battery, P0605 can be aftermarket chip / programing or PCM failure (diesels do have a reprogram for false P0605). P0602 is usually a PCM failure.

Oct 24, 2009 | 1999 Ford F250 Regular Cab

1 Answer

Po650


P0605....Internal Control Module Read Only Memory (ROM) Error, replace the PCM.

Oct 08, 2009 | 2002 Chrysler Town & Country

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