NHTSA ID Number: 10153652
Manufacturer Communication Number: IK0400063
TSB/Document Date: 2019-02-25
Summary
Brake pedal not returning and sticking slightly in the applied position
IK0400063 - Brake pedal not returning and sticking slightly in the applied position
Countries:
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AUSTRALIA, BAHAMAS, BOLIVIA, BRAZIL,
BELIZE, CANADA, CHILE, TAIWAN,
COLOMBIA, COSTA RICA, DOMINICAN
REPUBLIC, ECUADOR, EL SALVADOR,
Document
TRINIDAD AND TOBAGO, UNITED STATES,
IK0400063
URUGUAY, VENEZUELA, MEXICO, ARUBA,
ID:
NICARAGUA, PERU, PUERTO RICO, Curaçao,
GUAM, GUATEMALA, GUYANA, HAITI,
HONDURAS, JAMAICA, KOREA, SOUTH
KOREA, PANAMA, SOUTH AFRICA
Availability: ISIS, FleetISIS, NotSIR
Revision: 10
Major
System:
Created:
English
Last
12/10/2018
Modified:
Current
Language:
Other
Portuguese,
Languages:
Viewed:
Author:
8/21/2009
William
Knoth
4233
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Title : Brake pedal not returning and sticking slightly in the applied position
Applies To : All Models
CHANGE LOG
Please refer to the change log text box below for recent changes to this article:
12/10/20118 Updated article to inclued possible faults codes 244 and 246.
10/22/2018 - Updated troubleshooting steps
07/26/2018 - Released article for all models
DESCRIPTION
Brake lights staying on due to brake pedal not returning and binding.
SYMPTOMS
• Cruise control not working
• Brake lights staying on
• If conditions is present long enough, ABS
fault setting (Bendix
ABS
only)
Diagnostic Trouble Code(s) & Dashboard Indicator Light(s):
Bendix
Flash Code
SPN
FMI Source Address
Description
24 4
1067
11
11
Primary and Secondary Circuit PS (PS1/PS2 Plausibility Error) Brake Demand
24 6
1067
7
11
PS Not Calibrated
PARTS INFORMATION
• M8 flat hardened flat washer (8.8 x 17 x 1.6mm) part number 934675R1.
TROUBLESHOOTING
Step Action
1
Decision
DIAGNOSTIC: Check for faults in ABS
controller.
Yes: Please proceed to step 2
Are the fault codes 1067-11 (24-4) and or 1067-7 (24-6) active in the brake
controller?
No: Go to step 3
https://evalue.internationaldelivers.com/service_kb/DocTool/ArticleViewer.aspx?ControlID... 1/3/2019
IK0400063 - Brake pedal not returning and sticking slightly in the applied position
Step Action
DIAGNOSTIC:
Page 2 of 3
Decision
Yes: Please proceed to step 3.
With both the primary and secondary air tanks full and equal pressures.
Open ACOMS and monitor the primary and secondary application pressure
sensors.
2
No: Diagnose the pressure sensors and
or pressure sensor's circuits.
Without the brakes depressed, pull up on the pedal and record the sensors
readings. Are they both reading 0psi (+- 2 psi)?
With the brakes are fully depressed. Are the two sensors reading full tank
pressure?
Step Action
DIAGNOSTIC:
A light brake apply and a slow brake release may be needed to duplicate the
brake lights hanging on.
Decision
Yes: Lift the brake pedal with your hand
and release the pedal.
If the brake lights turn off the proceed to
the resolution.
If lights are still on, proceed to other
switch, wiring and air system
Are the brake lights on with no pressure being applied to the brake pedal? diagnostics.
3
No: Lightly press the brake pedal and
release.
If the lights stay on move to the
resolution section.
If the lights turn off, then no correction is
needed.
RESOLUTION
Please click on the link below for detailed instructions for completing this repair
https://evalue.internationaldelivers.com/service_kb/DocTool/ArticleViewer.aspx?ControlID... 1/3/2019
IK0400063 - Brake pedal not returning and sticking slightly in the applied position
Page 3 of 3
Pedal Repair Instructions - PDF Document
WARRANTY INFORMATION
Warranty Claim Coding:
Refer to the Warranty Coding Manual for Group and Noun Codes.
Standard Repair Time(s):
Refer to the SRT Manual for Repair Times
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Copyright © 2019 Navistar
, Inc.
https://evalue.internationaldelivers.com/service_kb/DocTool/ArticleViewer.aspx?ControlID... 1/3/2019
- Mixes well with conventional fluids
- Low-moisture formula provides excellent vapor lock...
- Ideal for hydraulic and disc brakes
- Provides an extra margin of safety in extreme braking...
- Mix of polyglycol ethers ensures hot brake-system operation...
- Excellent for ABS
, disc and drum brake systems - Delivers braking power when needed by avoiding a spongy...
- Both wet and dry boiling points exceed the minimum...
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TSB/Document ID: IK0400063
Replacement Service Bulletin Number:
MFR Communication Date: 2018-12-10
MFR Internal Campaign ID/Software Version:
Communication Type: Service Bulletin/Repair Instructions
NHTSA Components: SERVICE BRAKES, HYDRAULIC:PEDALS AND LINKAGES
MFR Component System:
MFR Component Subsystem:
Previous TSB | Next TSB |
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