P0123 CODE Throttle pedal position sensor - Mercedes-Benz Forum
 
LinkBack Thread Tools Display Modes
post #1 of 8 (permalink) Old 09-14-2018, 07:04 AM Thread Starter
BenzWorld Member
 
Date registered: Oct 2014
Vehicle: 2003 E500 V8, 1988 560SL
Location: CA
Posts: 88
Mentioned: 0 Post(s)
Quoted: 22 Post(s)
(Thread Starter)
P0123 CODE Throttle pedal position sensor

2003 mercedes E500
Came to stop light, hit the accelerator and it did nothing. Floored it....nothing.....eventually started to go.
Pulled over, shut the car off and on. Cleared the issue, like it never happened.
Came home plugged in the ODBII tester and it gave me P0123. Throttle pedal position sensor.

The part I only found was the whole assembly for the accelerator. Has anyone ever replaced this? Seems like just a part swap...
nzvlnr is online now  
Sponsored Links
Advertisement
 
post #2 of 8 (permalink) Old 09-14-2018, 02:52 PM
BenzWorld Elite
 
noetico's Avatar
 
Date registered: Feb 2015
Vehicle: 2002 Mercedes ML320, Mercedes 190E 2.3L (sold), 2001 Mercedes c320(gone)
Location: Abuja, Nigeria
Posts: 1,277
Mentioned: 10 Post(s)
Quoted: 220 Post(s)
Garage
Yes, according to WIS; accelerator pedal position B37 is part of the throttle assembly.


Sent from my iPhone using Tapatalk

Kent
noetico is offline  
post #3 of 8 (permalink) Old 09-14-2018, 05:29 PM Thread Starter
BenzWorld Member
 
Date registered: Oct 2014
Vehicle: 2003 E500 V8, 1988 560SL
Location: CA
Posts: 88
Mentioned: 0 Post(s)
Quoted: 22 Post(s)
(Thread Starter)
Quote:
Originally Posted by noetico View Post
Yes, according to WIS; accelerator pedal position B37 is part of the throttle assembly.


Sent from my iPhone using Tapatalk
nzvlnr is online now  
Sponsored Links
Advertisement
 
post #4 of 8 (permalink) Old 01-11-2019, 05:51 PM
BenzWorld Newbie
 
Date registered: Jun 2017
Vehicle: 2004 e500
Location: nevada
Posts: 2
Mentioned: 0 Post(s)
Quoted: 0 Post(s)
I just started having the exact same issues with my 2004 e500. Did replacing the pedal assembly fix the problem? I have been researching this issue and have found that known causes of this issue can be the accelerator pedal assembly, the TPS sensor at the throttle body (or somewhere near the brake master cylinder), a worn cable harness, or carbonated throttle body.

Thank you.
ponderingnugget is offline  
post #5 of 8 (permalink) Old 01-12-2019, 06:30 AM Thread Starter
BenzWorld Member
 
Date registered: Oct 2014
Vehicle: 2003 E500 V8, 1988 560SL
Location: CA
Posts: 88
Mentioned: 0 Post(s)
Quoted: 22 Post(s)
(Thread Starter)
Yes, simple to replace as well. I replaced it...no problems since!!
nzvlnr is online now  
post #6 of 8 (permalink) Old 01-12-2019, 07:19 AM
BenzWorld Junior Member
 
Date registered: Jan 2017
Vehicle: 1981 280 SLC, 1986 190 E
Location: Switzerland
Posts: 9
Mentioned: 0 Post(s)
Quoted: 1 Post(s)
I have the same issue as well:

code reads:
P20DD-1 B37
APPS: Signal 1
Short cirquit to Battery
Potentiometer above maximum value (P0123)

So replace Pedal Position Sensor? I'm confused by the mention of a short cirquit!
Lauritz is offline  
post #7 of 8 (permalink) Old 01-12-2019, 03:35 PM
BenzWorld Newbie
 
Date registered: Jun 2017
Vehicle: 2004 e500
Location: nevada
Posts: 2
Mentioned: 0 Post(s)
Quoted: 0 Post(s)
Thanks for the reply. So you didn't bother checking anything else, just went straight in and replaced the pedal assembly? Can you offer any advice for the part swap? Anything to watch out for, no programming with star diagnostic necessary? I just like to get all the information I can before changing parts. Thanks again for sharing.
ponderingnugget is offline  
post #8 of 8 (permalink) Old 01-14-2019, 05:50 AM Thread Starter
BenzWorld Member
 
Date registered: Oct 2014
Vehicle: 2003 E500 V8, 1988 560SL
Location: CA
Posts: 88
Mentioned: 0 Post(s)
Quoted: 22 Post(s)
(Thread Starter)
No, just unbolt and replace. I thought there may be some time of synchronization/ calibrating ....but it was that simple, replace the unit and test drive. Problem solved. Dealer would have probably been over 300!!
nzvlnr is online now  
Sponsored Links
Advertisement
 
Reply

  Mercedes-Benz Forum > Mercedes-Benz AMG Forums > W211 E55 AMG, E63 AMG

Quick Reply
Message:
Options

Register Now



In order to be able to post messages on the Mercedes-Benz Forum forums, you must first register.
Please enter your desired user name, your email address and other required details in the form below.

User Name:
Password
Please enter a password for your user account. Note that passwords are case-sensitive.

Password:


Confirm Password:
Email Address
Please enter a valid email address for yourself.

Email Address:
OR

Log-in











Currently Active Users Viewing This Thread: 1 (0 members and 1 guests)
 
Thread Tools
Show Printable Version Show Printable Version
Email this Page Email this Page
Display Modes
Linear Mode Linear Mode



Posting Rules  
You may post new threads
You may post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are On
Pingbacks are On
Refbacks are On

 

Title goes here

close
video goes here
description goes here. Read Full Story
For the best viewing experience please update your browser to Google Chrome