Tuesday 18 February 2020

2014 Audi A4 Premium VEHICLE LACKS POWER OR WILL NOT MOVE AFTER STOP DUE TO SIMULTANEOUS DEPRESSING OF THE BRAKE AND ACCELERATOR PEDALS 2033658

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VEHICLE LACKS POWER OR WILL NOT MOVE AFTER STOP DUE TO SIMULTANEOUS
DEPRESSING OF THE BRAKE AND ACCELERATOR PEDALS
TECHNICAL SERVICE BULLETIN
Reference Number(s): GROUP 37, NO. 13-07 (2033658/5), Date of Issue: May 29, 2013
Superceded Bulletin(s): GROUP 01, NO. 09-11, Date of Issue: October 16, 2013
37 13 07 2033658/5 May 29, 2013. Supersedes Technical Service Bulletin Group 01 number
09-11 dated October 16, 2013.
APPLICABLE MODELS AND YEARS
CONDITION
 Customer states that the engine returns to idle speed of approximately 1,400 RPM
although the accelerator is depressed, and/or the vehicle hesitates (lacks power
on take-off).
 Diagnostic Trouble Codes (DTCs) are not stored.
TECHNICAL BACKGROUND
This condition may be caused when the brake pedal and the accelerator pedal are
depressed simultaneously. Drivers who consciously or unconsciously drive with their
left foot resting on the brake pedal are prone to experience this condition.
With the introduction of Electronic Power Control (EPC) (no accelerator cable) to fuel
injection systems, an engine RPM control feature has been incorporated into the engine
electronic control system software. As a result, application of the brake and
accelerator pedals at the same time (brake pedal with left foot and accelerator pedal
with right foot) results in the following:
 Brake pedal function (normal at all times) overrides any throttle application.
 Diagnostic Trouble Codes (DTCs) will not be stored.
 When the brake pedal is applied while the accelerator is depressed, engine RPMs
will return to idle speeds of 1400 RPMs after approximately two seconds.
 When the accelerator is applied while the brake pedal is depressed, the vehicle
accelerates slower than usual (reduced engine torque).
PRODUCTION SOLUTION
Not applicable.
AUDI: All Audi 2000 - 2014
GROUP: 37 - Automatic Transmission - Controls, Case
Model(s) Year VIN Range Vehicle-Specific Equipment
All Audi 2000 - 2014 All Not Applicable
2014 Audi A4 Premium
VEHICLE LACKS POWER OR WILL NOT MOVE AFTER STOP DUE TO SIMULTANEOUS DEPRESSING OF THE
BRAKE AND ACCELERATOR PEDALS
WWW.EBAAUTOPARTS.COM
2020年2月17日 21:19:58 Page 1 © 2011 Mitchell Repair Information Company, LLC.
20:01
SERVICE
1. Test drive vehicle with customer to duplicate the condition.
2. During test drive, observe customer's driving habits to determine if customer
drives and/or brakes with his/her left foot.
3. After test drive with customer, connect a VAS diagnostic tool and check for any
stored DTCs.
 If DTCs are found, repair as necessary.
 If no DTCs are found, explain the previously listed technical correlation
between brake pedal and accelerator functionality to the customer:
 Brake pedal overrides the accelerator pedal application at all times.
 It is best not to drive with the left foot resting on the brake pedal.
WARRANTY
This TSB is informational only and not applicable to any Audi warranty.
ADDITIONAL INFORMATION
All parts and service references provided in this TSB are subject to change and/or
removal. Always check with your Parts Department and service manuals for the latest
information.
2014 Audi A4 Premium
VEHICLE LACKS POWER OR WILL NOT MOVE AFTER STOP DUE TO SIMULTANEOUS DEPRESSING OF THE
BRAKE AND ACCELERATOR PEDALS
WWW.EBAAUTOPARTS.COM
2020年2月17日 21:19:58 Page 2 © 2011 Mitchell Repair Information Company, LLC.