Haldex Inversion Relay Valve, model year 9999. Filed by ZF North America, Inc. and reported to NHTSA on 9 February 2024. 2,493 vehicles potentially affected.
What the notice says ZF North America, Inc. (ZF) is recalling certain park brake actuation air brake systems equipped with Haldex inversion relay valves, part numbers 9718990020 and RKN28032. An internal piston in the inversion valve may fail, delaying the engagement of the parking brake. As such, these valves fail to comply with the …
Is your vehicle included? Check with your VIN at NHTSA, or ask a dealer. This page is an independent copy of the notice, kept so you can see what changed after it was published. It is not the authority, and the authority’s own text is the one to act on.
What owners ask about this recall
- Which vehicles does recall 24E011 cover?
- Haldex Inversion Relay Valve.
- What is wrong with them?
- ZF North America, Inc. (ZF) is recalling certain park brake actuation air brake systems equipped with Haldex inversion relay valves, part numbers 9718990020 and RKN28032. An internal piston in the inversion valve may fail, delaying the engagement of the parking brake.
- What can happen if it is not put right?
- Delayed parking brake engagement can result in unintended vehicle movement, increasing the risk of a crash.
- Is there a fix yet?
- Yes, and it is free. ZF will replace aftermarket equipment, free of charge. Affected vehicle manufacturers will determine the appropriate remedy for their vehicles. Owner notification letters were mailed April 9, 2024. Owners may contact ZF customer service at 1-734-416-6200.
- What should I do now?
- Check your own vehicle by its VIN with NHTSA, which is the record to act on.
Answered from the register this site holds. NHTSA is the record to act on.
What the authority says can happen if this is not fixed: “Delayed parking brake engagement can result in unintended vehicle movement, increasing the risk of a crash.”
affected
in the notice
caught
| Campaign | 24E011 |
|---|---|
| Filed by | ZF North America, Inc. |
| System at fault | Service Brakes, Air |
| Reported to NHTSA | 9 February 2024 |
| Model years | 9999-9999 |
| Vehicles named | HALDEX INVERSION RELAY VALVE |
What the notice says today
The consequence
Delayed parking brake engagement can result in unintended vehicle movement, increasing the risk of a crash.
The remedy
ZF will replace aftermarket equipment, free of charge. Affected vehicle manufacturers will determine the appropriate remedy for their vehicles. Owner notification letters were mailed April 9, 2024. Owners may contact ZF customer service at 1-734-416-6200.
What it said before
This campaign is in the register but not yet in the dated wording archive, so we cannot yet say whether its text has moved. It enters the archive on the next pass.
This is one of 353 notices in the record whose component field names service brakes, air. Across that group the median wait before owners were written to was 43 days.
Last checked . No change has been recorded in the wording.
How to cite this record
Quoting the wording on this page means quoting a version, so the date belongs in the citation:
CarsMultiverse, recall 24E011, wording as read on 17 September 2026. https://carsmultiverse.com/recall/24e011/
The cross-border matches used on this site are deposited as a citable dataset: doi:10.5281/zenodo.22087136. The recall wording itself is published by the national authority named above and is theirs, not ours.
The recall record and its wording are published by the US National Highway Traffic Safety Administration and are US Government public domain. The dated archive, the comparison and any before-and-after above are CarsMultiverse. How fresh every engine behind this page is, is public on the status page. To check a specific vehicle, use NHTSA’s own VIN lookup.
Other ZF notices we hold
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- 22E078: Integrated Pedal Units (IPU) part number: 9650019900
- 20E061: Air Bag Inflators, part numbers 34277217A, 34204745A, 34177958C, and 34200077B
- 20E052: Remote Accelerometer Sensors (RAS) installed in 2019 Chrysler Jeep Cherokee and 2018 Volkswagen Atlas
- 19E058: Lemförder Steering Center Rods sold as aftermarket parts for 1996-2004 BMW 5-Series (E39)
- 19E056: Brake calipers
- 18E025: Axles equipped with radial air disk brakes
All 13 ZF campaigns we hold · Every manufacturer in the record
The fingerprint of this notice
We take a SHA-256 of each of the three blocks of text the authority publishes and keep the first eight characters. As we last read campaign 24E011 on 5 September 2026, they were:
- Defect summary
de2208db - Consequence
d344adf5 - Remedy
44b445ad
We first read this notice on 21 August 2026. It has not moved since. If it ever does, these characters will not match, and the change will be dated here.
The wording we hold for 24E011 · how the whole register is watched
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