U0416 on 2019 Jeep Cherokee: Implausible ESP Data Causes & Fixes

What's Unique About the 2019-2019 Jeep CHEROKEE

For the 2019 Jeep Cherokee, particularly models with the 3.2L V6 engine, this code is associated with Technical Service Bulletin (TSB) #18-077-22. This TSB groups U0416 with other communication codes that can often be resolved by reprogramming the Powertrain Control Module (PCM) with updated software. This suggests that many instances of this code on the Cherokee are due to software anomalies rather than a direct hardware failure, making a trip to the dealer for a potential software flash a primary diagnostic step. Additionally, on 4WD models, this network code can be triggered in conjunction with a "Service 4WD" light, pointing to failures in driveline components like the Rear Drive Module (RDM).

Diagnostic Flowchart

Tap your situation to follow the diagnostic path that matches what you're seeing on this vehicle.

Symptoms You May Notice

• ABS warning light is on
• Traction Control or Electronic Stability Control (ESC) warning light is on.
• "Service Antilock Brake System" or "Service 4WD" message on the instrument cluster.
• Cruise control is disabled.
• In some cases, the 'Service 4WD System Unavailable' message may appear, indicating a potential issue with the driveline control modules.
• In rare cases, the transmission may not shift correctly or the vehicle may enter a reduced power (limp) mode.

Most Likely Causes

1. PCM Software Glitch 🔴 High Probability As documented in TSB 18-077-22 for the 3.2L V6 model, the factory software may have bugs that lead to communication errors between modules. This TSB specifically calls for a PCM reflash to resolve a host of MIL illumination issues.
   How to confirm: A Jeep dealership or a qualified shop with access to OEM software (wiTECH) can check if the vehicle's PCM has the latest software version installed against the TSB.
   Typical fix: Reprogramming the Powertrain Control Module (PCM) with the latest software version. Per the TSB, the TCM should also be updated.
   Est. part cost: $0
2. Faulty Wheel Speed Sensor 🔴 High Probability → Shop ABS Wheel Speed Sensor Wheel speed sensors are exposed to harsh conditions (heat from brakes, water, debris) and are a common failure point. An erratic or missing signal from one sensor is interpreted as implausible data by the ABS module, which then broadcasts this faulty information, triggering the U0416 code in other modules. Water intrusion and oxidation are noted causes for sensor failure on similar Jeep platforms.
   How to confirm: Use a scan tool capable of reading live data from the ABS module. Drive the vehicle and monitor the speed readings from all four wheels. A sensor that reads differently from the others, drops to zero, or shows an erratic signal is faulty.
   Typical fix: Replace the faulty wheel speed sensor.
   Est. part cost: $40-$90
3. Failing ABS/ESP Control Module 🟡 Medium Probability → Shop ABS Control Module
   How to confirm: This is typically diagnosed by exclusion. If all wheel speed sensors, wiring, and PCM software are confirmed to be good, the module itself is the likely culprit. A high-end scan tool may be able to run internal self-tests on the module. Corrosion on the module or its connector is also a possible cause. Check fuses F53 and F93 in the underhood fuse box before condemning the module.
   Typical fix: Replace the ABS/ESP control module. This requires a "PROXI Alignment" procedure with a capable scan tool to program it to the vehicle's VIN.
   Est. part cost: $500-$800
4. Wiring Harness or Connector Damage ⚪ Low Probability
   How to confirm: Visually inspect the wiring harness and connectors going to the ABS module and each wheel speed sensor. Look for chafed or broken wires, corrosion in the connectors, or loose pins. Pay close attention to the harness routing near suspension and brake components.
   Typical fix: Repair the damaged section of the wiring harness or clean/replace the affected connector.
   Est. part cost: $10-$100

Rare But Worth Checking

• Uncalibrated or Faulty Steering Angle Sensor: → Shop Steering Angle Sensor If recent suspension work or an alignment has been performed, the steering angle sensor may need to be recalibrated. If its reading doesn't match what the wheel speed and yaw rate sensors are reporting, the ESP module can send out conflicting data. The sensor is located on the steering column behind the lower dash panel. Calibration requires a capable scan tool.
• Low Battery Voltage or Poor Ground Connection: → Shop Vehicle Battery Low system voltage can cause unpredictable behavior in various electronic modules, leading to communication errors. Always ensure the battery and charging system are healthy (voltage above 12.4V at rest) before diagnosing complex electronic faults.
• Faulty Rear Drive Module (RDM): On 4WD models, a failure within the rear differential's control module can disrupt CAN bus communication and trigger a U0416 code, often accompanied by a 'Service 4WD System Unavailable' warning light. Owners have reported this exact issue, which required a full replacement of the rear differential assembly.

Diagnosis Steps

1. Connect a professional-grade scan tool (like FCA's wiTECH) that can access all vehicle modules (ABS, PCM, BCM, etc.).
2. Record all Diagnostic Trouble Codes (DTCs) from all modules. Pay close attention to any wheel speed sensor codes (C-codes) or other communication codes (U-codes).
3. Check for applicable Technical Service Bulletins (TSBs), especially TSB #18-077-22 for 3.2L V6 models, to see if a PCM software update is the recommended fix.
4. Use the scan tool to monitor live data from all four wheel speed sensors while driving. Ensure all sensors report a smooth, consistent speed that matches the speedometer.
5. If a wheel speed sensor is erratic or reads zero, inspect its wiring and connector for damage or corrosion before replacing the sensor itself.
6. Check the vehicle's battery voltage and charging system performance. Voltage should be above 12.4V with the engine off and between 13.5-14.5V with the engine running.
7. Inspect the main wiring harness and ground connections for the ABS/ESP module for any signs of corrosion or damage. Check fuses F53 and F93 in the under-hood fuse box.
8. If the 'Service 4WD' light is on, investigate codes within the Drivetrain Control Module (DTCM) or Rear Drive Module (RDM), as a failure here can also trigger network codes like U0416.
9. If all sensors, wiring, and software are confirmed to be good, the ABS/ESP module itself is the most likely cause of the fault.

Parts You'll Likely Need

• Wheel Speed Sensor (OEM #Front: 68570196AB (replaces 68217205AC, 68570196AA); Rear: 68291949AB (replaces 68291949AA)) — This is the most common hardware failure that causes the ABS module to send implausible data across the network.
  Trusted brands: Mopar, Bosch, NTK
  OEM price range: $70-$120
  Aftermarket price range: $40-$90
• ABS/ESP Control Module — If sensors, wiring, and software are ruled out, the module itself may have an internal hardware or software fault causing it to transmit corrupt data.
  Trusted brands: Mopar
  OEM price range: $500-$800 (part only)
  Aftermarket price range: $300-$600 (remanufactured)

Related Codes That Often Appear With This One

• U0418 — Implausible Data Received From Brake System Control Module. This is a very similar code and is often set alongside U0416, as noted in the authoritative TSB data provided in the prompt.
• U0128 — Lost Communication With Park Brake Control Module. Also listed in the TSB data, indicating a broader network communication issue that may be software-related.
• C0031, C0034, C0037, C003A — These are specific codes for Left Front, Right Front, Left Rear, and Right Rear Wheel Speed Sensor circuits, respectively. If one of these is present, it points directly to a faulty sensor or its wiring as the root cause.

Technical Service Bulletins (TSBs) & Recalls

• 18-077-22

Platform-Specific Known Issues

• PCM Software Glitch (TSB 18-077-22): A known software issue documented in TSB #18-077-22 for the 3.2L V6 engine can cause this code to appear along with several other communication-related DTCs. The fix is a software update for the Powertrain Control Module (PCM) and Transmission Control Module (TCM).
• Service 4WD Light and RDM Failure: On 4WD models like the Trailhawk, the U0416 code can be a secondary result of a more serious failure in the driveline. Owners have reported seeing a 'Service 4WD System Unavailable' message, with the root cause being a failed Rear Drive Module (RDM) that required complete replacement of the rear differential assembly.

Mechanic-Grade Diagnostic Values

• Active Wheel Speed Sensor Voltage Fluctuation — expected: A small voltage fluctuation (e.g., 0.05V) when the wheel is rotated, on top of a base voltage (e.g., 11.02V -> 11.07V).. Failure: No change in voltage when the wheel is spun, indicating a dead sensor.

Hidden / Shadow Codes Worth Checking

• C003A-2F: Right Rear Wheel Speed Sensor - Signal Erratic. This is a manufacturer-specific sub-code that provides more detail than a generic P-code. (see via Dealer-level scan tool like wiTECH or a high-end aftermarket scanner.)
• C0037-1D: Left Rear Wheel Speed Sensor - Circuit Current Out of Range. This points to an electrical fault in the sensor circuit, often caused by water intrusion or oxidation. (see via Dealer-level scan tool like wiTECH or a high-end aftermarket scanner.)

Scan Tool Commands That Help

• wiTECH: Brake Pedal Calibration — Found in the ABS module under 'Miscellaneous Functions', this should be performed after certain service procedures to ensure the system knows the pedal's resting position.
• wiTECH: Longitudinal G-Sensor Calibration — Also in the ABS 'Miscellaneous Functions' tab, this calibrates the sensor that detects forward and backward acceleration, which is critical for ESP calculations.
• wiTECH: PROXI Alignment Procedure — This is mandatory after replacing the ABS module. It's found in the Body Control Module (BCM) functions and synchronizes the new module with the rest of the vehicle's network.
• wiTECH: ABS Initialization — A general reset and initialization function for the ABS module, often performed after a software flash or module replacement to ensure all parameters are set correctly.
• wiTECH or capable aftermarket scanner: Steering Angle Sensor Calibration — Required after a wheel alignment, steering component replacement, or if codes related to the steering angle are present. This function resets the sensor's zero-degree position.

Wiring & Ground Locations

• ABS Module Fuses — In the main fuse box under the hood (Power Distribution Center).. Fuse F53 (ABS Module/Valves) and F93 (ABS Pump Motor) supply power to the module. A blown fuse will cause a loss of communication and function, triggering network codes.
• ABS Module Connector C135 — The main electrical connector on the ABS hydraulic control unit, located in the engine compartment.. This is the central connection point for all wheel speed sensors, power, ground, and CAN bus lines. Checking for power, ground, and CAN bus signals at this connector is a key diagnostic step.

Real Owner Repair Stories

• Reddit user post (2019 Jeep Cherokee High Altitude, ~35k miles at purchase) — Service 4WD light came on during highway driving, followed by a leaking Power Transfer Unit (PTU).
  ❌ Tried (didn't work) The PTU was replaced. A month later, the same issue occurred. The PTU and rear differential were then replaced. Two months after that, the 'Service 4WD' light and a burning oil smell returned.
  ✅ What actually fixed it The vehicle was awaiting a second rear differential replacement. This story highlights a pattern of recurring PTU and RDM (Rear Drive Module/differential) failures on this platform, which can trigger network codes like U0416.
• Reddit user post (2019 Jeep Cherokee Limited (3.2L V6 AWD), ~75k miles) — Coming off an interstate, the entire wheelbase locked up, and the cabin filled with the smell of burning oil.
  ❌ Tried (didn't work) N/A - direct diagnosis.
  ✅ What actually fixed it The rear differential casing had catastrophically failed ('damn near exploded'), causing a massive oil leak. After replacing the rear differential, a crack was also found in the front casing. This demonstrates a severe failure mode of the 4WD system that disrupts the entire vehicle network.