How do I get blink codes from Wabco ABS?
The WABCO Enhanced Easy-Stop Trailer ABS ECU detects any electrical fault in the trailer ABS. Each of the faults has a code. When a fault occurs, the ECU stores the code for that fault in its memory. The code (blink code) can be obtained using the Ignition Power Activation method (described below).
How do you check ABS codes on a trailer?
On some trailers you can get a blink code from the ABS light on the left rear of the trailer. To get blink codes you need to power up the center pin on the 7 way plug where the light cord connects from the truck. The center pin is how the ABS gets constant power from the truck to operate the ABS system.
What causes a trailer ABS light to come on?
If you have an abs light coming on in the truck, its the truck’s abs. Check all your wheel sensors, you may have a dirty connection, loose connection or bad abs valve .
Why is my ABS light on in my semi truck?
When that happens, it means the ABS bulb is burned out and needs to be repaired along with the fault illuminated on your truck’s dash. Flashing lights on the dash of the truck: This signals a need to replace or repair a failing ABS module.
What causes ABS light on trailer?
Trailer ABS systems contain an on-board computer with self-testing and diagnostic capabilities. During startup, when the auxiliary circuit is first powered, the ABS runs a self-check. The ABS status light comes on for 3 to 5 seconds, and you might hear the air valves “chuffing”.
How do you flash ABS codes on a trailer?
- Turn on power to the blue wire for no more than five seconds.
- Turn off the power off for a moment.
- Turn the power back on.
- If light goes off after a few seconds there is no active fault.
- After a short delay the warn lamp will flash several quick times followed by a longer pause.
What does white light on trailer mean?
There is another possibility: some trailers have a tire pressure management system, and these often have a small white or amber indicator in about the same location as the reefer indicator. Basically this is a warning to the driver that he has a leaky or blown tire on the trailer.
What are the most common fault codes for WABCO?
Below is an in-depth list of some of the most commonly encountered WABCO Fault Codes. With this information you or your techs can quickly assess the problem and begin working on a solution. PID/SID. FMI. ABS136. Description. 0. 1. LF wheel sensor.
Where can I find the serial number on a Meritor WABCO engine?
Serial numbers are located on the bar-coded label on the side of the ECU/Valve Assembly. Meritor WABCO Vehicle Control Systems 2135 West Maple Road Troy, MI 48084-7121 USA meritorwabco.com TP-0173 (Replaces TP-94159) Revised 12-07 16579/22882 Printed in USA Copyright 2007 ArvinMeritor, Inc. Easy-StopTM2S/1M, 2S/2M*, 4S/2M*, 4S/3M*
Where is Arvin Meritor WABCO located?
Meritor WABCO Vehicle Control Systems 2135 West Maple Road Troy, MI 48084-7121 USA meritorwabco.com TP-0173 (Replaces TP-94159) Revised 12-07 16579/22882 Printed in USA Copyright 2007 ArvinMeritor, Inc. Easy-StopTM2S/1M, 2S/2M*, 4S/2M*, 4S/3M*