2023-2024 Alfa Romeo Tonale / Dodge Hornet Park Assist DTC U1706-29

Owners of 2023-2024 Alfa Romeo Tonale and Dodge Hornet vehicles may encounter an issue where the Park Assist Module (PAM) generates a Diagnostic Trouble Code (DTC) U1706-29. This manufacturer communication, identified as NHTSA ID 10244405, addresses instances where this code is set erroneously, specifically after a vehicle has undergone service repairs.

This technical service bulletin (TSB) aims to provide technicians with the necessary information to properly diagnose and prevent the false setting of the "Park Assist Module (PAM) Erroneously Sets Diagnostic Trouble Code (DTC) U1706-29 Brake System Control Module Signal Invalid After Service Repair" condition.

Symptoms

The primary symptom owners might notice is the presence of a Diagnostic Trouble Code (DTC) U1706-29 stored in the vehicle's system. This code indicates an invalid signal from the Brake System Control Module to the Park Assist Module. The key characteristic of this issue is that the code is set erroneously, often following a service repair, rather than due to an actual component failure. If your 2024 Alfa Romeo Tonale Park Assist DTC U1706-29 appears, it may be related to this specific condition.

Fault Codes / DTCs

The following Diagnostic Trouble Code is associated with this issue:

Diagnosis and Trigger Conditions

The condition described in NHTSA ID 10244405 specifically highlights that the DTC U1706-29 is set erroneously after service repairs. This suggests that the code may not indicate a genuine fault with the Park Assist Module (PAM) or the Brake System Control Module, but rather a diagnostic anomaly that occurs under certain post-service conditions. Proper diagnostic procedures are crucial to confirm if the code is truly erroneous or if an underlying issue exists.

What Owners Should Know

It is important for owners to understand that the presence of the "Park Assist Module (PAM) Erroneously Sets Diagnostic Trouble Code (DTC) U1706-29 Brake System Control Module Signal Invalid After Service Repair" does not necessarily mean a component has failed. This TSB indicates that the code might be a false positive, particularly if it appears shortly after your 2024 Alfa Romeo Tonale has been serviced. Do not assume immediate part replacement is required without proper diagnosis by a qualified technician.

Next Steps for Owners

If you own a 2023-2024 Alfa Romeo Tonale or Dodge Hornet and encounter a Park Assist Module DTC U1706-29, especially after recent service, it is recommended to schedule an appointment with an authorized dealership. Explain the circumstances to the service technician, referencing manufacturer communication NHTSA ID 10244405. They will be able to perform the necessary diagnostic steps to determine if the code is erroneous or if a legitimate repair is needed for your 2024 Alfa Romeo Tonale Park Assist DTC U1706-29.

Source: NHTSA ID 10244405