Question about 2002 Chrysler PT Cruiser

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Engine light on Diagnostic code is P0601

Can you tell me what the diagnostic code P0601-PCM problem means?
Can I drive the car before I get it to a dealer? I am unable to bring it in until next week.

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  • Anonymous Sep 12, 2008

    I HAVE BEEN DRIVING MY CAR FOR A MONTH WITH THAT SAME LIGHT ON AND SAME CODE . BUT P0601 Internal Control Module Memory Check Sum Error ...WILL IT HAVE TO BE REPLACED? WHAT DOES SUM ERROR MEAN? AND WOULD MY CAR STILL DRIVE IF IT WAS THE PCM?

  • bkdodge Sep 30, 2008

    I have a Dodge Ram 1500 and the code comes up the same for me when the engine light came on. Rides fine, acts like nothing is wrong. But when we clear the code it comes back on within minutes.

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It is an internal problem in the pcm....if the car is under 8years old and 80000 miles take it to the dealer for free replacement under a fed emissions standard....if over you will have to pay...it could eventually leave you stranded

Posted on Oct 15, 2008

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Car shuts off while driving and says starting disabled Service throttle. Please Help! Check engine code says P0601


Definition of Diagnostic Trouble Code P0601 Category: Powertrain Definition: Internal Control Module Memory Check Sum ErrorNote: This definition of P0601 is applied to all manufacturers

Jun 18, 2015 | Cars & Trucks

1 Answer

Engine light is on. Runs fine. Getting a P0601 "Internal control module memory check sum error" What could cause this?


P0601 - Internal Control Module Memory Check Sum Error

Basically that means that there is an interal fault in the Powertrain Control Module (PCM). There have been many reported PCM failures on Chrysler/Dodge products although it is possible for this to happen on any vehicle. In Dodge/Chrysler products, a P0601 trouble code means that a serial communication failed inside the computer at least 6 times.

Symptoms: Likely, no symptoms will be discernible to the driver, other than the illuminated Check Engine Light. Typically the engine runs fine, gauges work, etc.

Causes: A code P0601 in most cases means the PCM has gone bad. This is possibly due to a short-circuit inside the PCM. Or, if you disconnect the wires/connector from the PCM while the battery is still connected, that may also cause this code.

Possible Solutions: With a P0601 OBD-II trouble code, the most common fix is to replace and reprogram the PCM. In a few cases the dealer may be able to reflash the PCM and get it working. But more than likely the PCM will need to be replaced and reprogrammed (we recommend you take it to a dealership for this). The good news is it *may* be covered under your emmissions warranty. So even if you're out of bumper-to-bumper warranty or powertrain warranty, check your warranty guide or dealer to see if this is covered.

Other people have reported that they cleared the code only for it to return again and again. Keep in mind that most shops can replace the PCM but not all can program it.


Hope this helps to solve it (remember to rate this answer).

Jan 05, 2011 | Dodge Ram 1500 Cars & Trucks

4 Answers

P0601 diagnostic code what is the mean , or whats is the problem


P0601 - Internal Control Module Memory Check Sum Error

Basically that means that there is an interal fault in the Powertrain Control Module (PCM). There have been many reported PCM failures on Chrysler/Dodge products although it is possible for this to happen on any vehicle. In Dodge/Chrysler products, a P0601 trouble code means that a serial communication failed inside the computer at least 6 times.

Symptoms: Likely, no symptoms will be discernible to the driver, other than the illuminated Check Engine Light. Typically the engine runs fine, gauges work, etc.

Causes: A code P0601 in most cases means the PCM has gone bad. This is possibly due to a short-circuit inside the PCM. Or, if you disconnect the wires/connector from the PCM while the battery is still connected, that may also cause this code.

Possible Solutions: With a P0601 OBD-II trouble code, the most common fix is to replace and reprogram the PCM. In a few cases the dealer may be able to reflash the PCM and get it working. But more than likely the PCM will need to be replaced and reprogrammed (we recommend you take it to a dealership for this). The good news is it *may* be covered under your emmissions warranty. So even if you're out of bumper-to-bumper warranty or powertrain warranty, check your warranty guide or dealer to see if this is covered.

Other people have reported that they cleared the code only for it to return again and again. Keep in mind that most shops can replace the PCM but not all can program it.

Other PCM / ECM Codes: P0602, P0603, P0604, P0605, P0606, P0607, P0608, P0609, P0610.

Hope this help to solve it (remember rated this).

Aug 03, 2010 | 2001 Dodge Stratus

1 Answer

Check engine light is on 3 codes p0740,p0601,& p0700 what do they mean


P0700 - Transaxle Control System Fault Conditions
The P0700 code is for information only and the next step is to check for transaxle codes in the Transaxle Control Module (TCM). So you'll have to have the dealer or another qualified shop/technician pull the transaxle codes from the TCM and go from there.

P0740 - Torque Converter Clutch Circuit Malfunction

P0601 - Internal Control Module Memory Check Sum Error
What does that mean?
Basically that means that there is an interal fault in the Powertrain Control Module (PCM). There have been many reported PCM failures on Chrysler/Dodge products although it is possible for this to happen on any vehicle. In Dodge/Chrysler products, a P0601 trouble code means that a serial communication failed inside the computer at least 6 times.

Symptoms
Likely, no symptoms will be discernible to the driver, other than the illuminated Check Engine Light. Typically the engine runs fine, gauges work, etc.

Causes
A code P0601 in most cases means the PCM has gone bad. This is possibly due to a short-circuit inside the PCM. Or, if you disconnect the wires/connector from the PCM while the battery is still connected, that may also cause this code.

Possible Solutions
With a P0601 OBD-II trouble code, the most common fix is to replace and reprogram the PCM. In a few cases the dealer may be able to reflash the PCM and get it working. But more than likely the PCM will need to be replaced and reprogrammed (we recommend you take it to a dealership for this). The good news is it *may* be covered under your emmissions warranty. So even if you're out of bumper-to-bumper warranty or powertrain warranty, check your warranty guide or dealer to see if this is covered.

Other people have reported that they cleared the code only for it to return again and again. Keep in mind that most shops can replace the PCM but not all can program it.


Good luck!

Jun 02, 2010 | 1998 Chrysler Sebring

2 Answers

Diagnostic trouble codes P0125,P0601


P0125 OBD-II Trouble Code
Technical Description

Insufficient Coolant Temperature For Closed Loop Fuel Control
What does that mean?

This means that the engine coolant temperature (ECT) sensor indicates that the engine has not reached the required temperature level to enter closed-loop operation within a specified amount of time after starting the engine.
http://www.obd-codes.com/p0125

P0601 OBD-II Trouble Code
Technical Description

Internal Control Module Memory Check Sum Error
What does that mean?

Basically that means that there is an interal fault in the Powertrain Control Module (PCM). There have been many reported PCM failures on Chrysler/Dodge products although it is possible for this to happen on any vehicle. In Dodge/Chrysler products, a P0601 trouble code means that a serial communication failed inside the computer at least 6 times.
http://www.obd-codes.com/p0601

Jan 14, 2010 | 2004 Dodge Stratus

1 Answer

P0601 Code. PCM... blah... The vehicle is running


P0601 is an internal PCM failure, meaning it didn't pass one or more of its self-tests. If it is running ok and you don't mind the light being on, drive it. A replacement is several hundred dollars depending on where you are and the market value of the area dealerships.

Jun 23, 2009 | 2002 Jeep Grand Cherokee

1 Answer

I HAVE PT CRUISER 2002 CODEPO601 PROBLEM Can you tell me what the diagnostic code P0601-PCM problem


DTC P0601, internal controller fault. Replace the PCM. As the name of the fault implies , this is an internal pcm fault . There are no other known causes of this fault other than a defective pcm.

Jun 05, 2009 | 2002 Chrysler PT Cruiser

2 Answers

P0601 code, what do i do, dodge 2001 4wd


A code P0601 in most cases means the PCM has gone bad. This is possibly due to a short-circuit inside the PCM. Or, if you disconnect the wires/connector from the PCM while the battery is still connected, that may also cause this code. The PCM is the engine computer.

Mar 26, 2009 | 2001 Dodge Ram 1500 Truck 2WD

1 Answer

Diagnostic code


SYMPTOM
P0601-PCM INTERNAL CONTROLLER FAILURE

TEST NOTE
This symptom is diagnosed using the test P0600-PCM FAILURE SPI COMMUNICATIONS.

WHEN MONITORED
Ignition key ON.

SET CONDITION
Internal checksum for software failed, does not match calculated value.

POSSIBLE CAUSES
  • PCM internal or SPI

Jan 16, 2009 | 2001 Dodge Stratus

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