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ML 500 FUNKY ELECTRICAL PROB- CAN APPLY TO ANY CAR


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mercedes2023
New User

Nov 8, 2022, 4:20 PM

Post #1 of 2 (1003 views)
ML 500 FUNKY ELECTRICAL PROB- CAN APPLY TO ANY CAR Sign In

ML 500 FUNKY ELECTRICAL
THIS CAN APPLY TO MANY CARS – IN THAT IT IS AN ELECTRICAL ISSUE THAT ONLY HAPPENS AT FIRST STARTING POINT IN MORNINGS -
FOR ANY PERSON THAT HAS A LOT OF EXPERIENCE WORKING ON CARS – ESPECIALLY IN THE FACT MERCEDES
- MANY TIMES DOES NOT HAVE A CODE THAT SAYS EXACTLY WHAT IS WRONG -
----2006 ML500 W164 CHASSIS - HAS AN ELECTRICAL "MORNING SHOW" WHICH INCLUDES USUALLY TAKES 3 TO 5 TIMES TO START (TURN KEY NO CRANK/SILENCE) MULTIPLE DASHBOARD LIGHTS - ENGINE FAN RACING UP AND DOWN - RED BRAKE LIGHT BLINKS ON/OFF - MORNING RITUAL LASTS ABOUT 10 MINUTES THEN THE CAR RUNS FINE THE REST OF THE DAY - CAN DRIVE NO PROBLEM, PARK LET SIT NO PROBLEM
-SO THIS IS A MATTER OF WHAT COMPONENT SYSTEM – IS INVOLVED IMMEDIATELY ON START – THAT "REACTS" IN THAT MORNING PROCESS – BUT WHEN THE CAR ENGINE WARMS UP OR THIS SYSTEM IS "ACTUATED" OR "RELEARNED" THE CAR DRIVES FINE.
* ONE EXAMPLE – A SIMILAR OR SAME PROBLEM OCCURS IN THE W163 CHASSIS WHEN THE TPS NEEDS TO BE REPLACED – WHICH IS AN EASY FIX TO TRY – HOWEVER THE CLOSEST RELATIVE TO THAT FIX IN W164 IS REPLACING THE PEDAL ASSEMBLY/PEDAL ACCELERATOR SENSOR/INTERNAL – BUT WANT TO SEE IF THERE ARE SOME MORE POSSIBILITIES BEFORE THE EXPENSE AND TIME DOING THAT.
-THE INITIAL ENGINE LIGHT CODES – THAT COME AND GO ARE P0600 (GENERAL COMPUTER) AND AT ONE TIME IT WAS THROWING OUT P0221.
- - HAVE ALREADY REPLACED THE MAIN AND AUXILIARY BATTERY – TO THE BEST OF MY KNOWLEDGE THE ALTERNATOR IS TESTING WITHIN SPECS. SOME MECHANICS HAVE SEEN FIRST HAND THAT FOR EXAMPLE AN ALTERNATOR OVER CHARGING CAN CAUSE A FLURRY OF DIFFERENT ISSUES SIMILAR TO THIS – BUT IN THIS CASE THE ALTERNATOR APPEARS TO BE WITHIN SPECS
ANOTHER GUESS THAT WAS SUGGESTED WAS THE IGNITION SENSOR/ EIS – BUT THAT DOES NOT EXPLAIN THE MORNING SHOW – AND ALTHOUGH IT IS AN EXPENSIVE FIX – THE MOST EXPENSIVE FIX DOES NOT MEAN IT IS THE RIGHT FIX CONTRARY TO MANY MECHANIC'S THEORY -
- I WILL NOT POST HERE ABOUT THE AMOUNT OF THUGS AND FREAK MECHANICS THAT HAVE BEEN RIPPING ME OFF ON THIS CAR SINCE IT'S BEEN OUT OF WARRANTY - BUT NO NEED TO ADVISE ME TO GO TO A MECHANIC - OBVIOUSLY THAT IS NOT THE POINT OF POSTING IN THIS FORUM


Hammer Time
Ultimate Carjunky / Moderator
Hammer Time profile image

Nov 8, 2022, 4:48 PM

Post #2 of 2 (1000 views)
Re: ML 500 FUNKY ELECTRICAL PROB- CAN APPLY TO ANY CAR Sign In

I deleted your duplicate question. Not necessary.

You had a code for a TPS. Is that code resolved now?

The P0600 is communication lost from any of 6 different modules. A professional scan tool should be able to pull a more specific code.
That usually means one of the computers is temporarily dead.

No or Incorrect CAN Message From Control Unit N51/2 (ABC Control Module)
No or Incorrect CAN Message From Control Unit N15/5 (Electronic Selector Lever Module Control Module)
No or Incorrect CAN Message From Control Unit N80 (Jacket Tube Module)
No or Incorrect CAN Message From Control Unit N47-5 (ESP Control Module)
No or Incorrect CAN Message From Control Unit N15/3 (ETC Control Module
No CAN Message From Instrument Cluster or Message Faulty



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