AQ964111 Midland Haldex ABS Upgrade Kit - PLC Select 2M ECU, 4S/2M

The Midland Haldex AQ964111 is a trailer ABS upgrade kit built around the PLC Select 2M ECU in a 4-sensor, 2-modulator (4S/2M) configuration. The kit includes a PLC Select 2M ECU with mounting bracket, a 2.0m power cord extension, 1.0m sensor extensions, a power cord end kit, and a valve relay cable. The OEM reference number is SN2632AA. PLC Select 1M and 2M kits are designed to upgrade earlier-generation ECU platforms. Systems manufactured before March 1998 do not interchange directly with post-March 1998 systems; contact Haldex if you are upgrading a pre-March 1998 system. Haldex recommends replacing wheel-end sensors whenever the ABS system is replaced or upgraded. Call us to confirm proper fit for your trailer application.

Features

ECU design: PLC Select 2M (4-sensor, 2-modulator configuration)
OEM part number: SN2632AA
Kit includes: PLC Select 2M ECU with bracket, 2.0m power cord extension, 1.0m sensor extensions, power cord end kit, and valve relay cable
Compatible with PLC Select 1M and 2M upgrade paths for earlier ECU platforms
Pre-March 1998 systems require separate Haldex guidance before upgrading
Haldex recommends replacing wheel-end sensors when replacing or upgrading the ABS system

Tech Specs

• ECU Design: PLC Select 2M
• Configuration: 4-sensor / 2-modulator (4S/2M)
• OEM Part Number: SN2632AA
• Kit Contents: PLC Select 2M ECU and bracket, 2.0m power cord extension, 1.0m sensor extensions, power cord end kit, valve relay cable
• Application Note: Pre-March 1998 systems do not interchange with post-March 1998 systems; contact Haldex for upgrade instructions
• Cross References: AQ964111M1D, AQ965106, AQ965106M1D, HALAQ964111, MDAQ964111, MBAQ964111, MIDAQ964111, SN2632AA

Additional Information

The AQ964111 is designed for trailer ABS applications where an earlier-generation ECU platform needs to be brought up to PLC Select 2M capability. Haldex PLC Select 1M and 2M kits address a range of prior ECU generations. When servicing any trailer ABS system, Haldex recommends inspecting and replacing wheel-end sensors as part of the upgrade, since most ABS maintenance issues originate at the wheel end. If you are working with a system installed before March 1998, contact Haldex directly for upgrade instructions before ordering, as pre- and post-March 1998 systems do not share direct interchange.