Code U0132 on the 2021 Jeep Wrangler indicates lost communication with a suspension control module, designated as module 'A'. On Wranglers equipped with electronic disconnecting sway bar or other active suspension components, this module manages those systems.
Wrangler Suspension Electronics
Some Wrangler configurations include the electronic disconnecting sway bar for improved off-road articulation. The control module allows automatic or driver-commanded sway bar disconnection at low speeds. Other optional suspension features may also use dedicated control modules that communicate over the vehicle network.
Off-Road Feature Impact
With U0132 present, the electronic sway bar disconnect feature (if equipped) will not function. The sway bar may stay locked or unlocked depending on the failure mode. Warning lights illuminate on the dashboard, and the Selec-Speed off-road cruise control may also be affected if it interfaces with suspension data.
Diagnostic Approach
Identify which suspension control module corresponds to 'A' in your Wrangler's configuration. The sway bar actuator module is typically mounted near the front axle. These modules are exposed to harsh off-road conditions including water, mud, and impact damage. Check the module connector for contamination and damage.
Repair Considerations
The exposed location makes wiring and connector damage common. Clean and inspect connections carefully. If the module has failed, replacement requires Stellantis diagnostic equipment for configuration. Some systems require actuator calibration after service.