What Does U017E Mean?
The airbag control module has lost communication with seatbelt pretensioner module A, typically the driver's side. This indicates a network communication failure that prevents the restraint system from functioning properly.
Safety Warning
Airbag system may not deploy properly in a collision. Seatbelt pretensioners may fail to activate, increasing injury risk.
Common Causes
35%
Damaged or corroded wiring harness to pretensioner module
30%
Faulty seatbelt pretensioner module
20%
Poor ground connection at pretensioner module
10%
CAN bus network fault or short circuit
5%
Airbag control module malfunction
Diagnostic Steps
1
Step 1: Inspect connector at seatbelt pretensioner module A for corrosion, damage, or loose connection
2
Step 2: Check voltage supply and ground circuits at pretensioner module with multimeter
3
Step 3: Perform resistance test on communication wiring between airbag module and pretensioner
4
Step 4: Monitor live data for CAN bus activity to pretensioner module A using scan tool
5
Step 5: Substitute known-good pretensioner module if all wiring tests pass
Estimated Repair Cost
$300 - $1,200
Parts + labor, varies by vehicle and location
The airbag control module has lost communication with seatbelt pretensioner module A, typically the driver's side. This indicates a network communication failure that prevents the restraint system from functioning properly.
The most common cause of U017E (Lost Communication With Seatbelt Pretensioner Module "A") is: Damaged or corroded wiring harness to pretensioner module
Typical repair costs for U017E range from $300 to $1,200, depending on the vehicle, location, and whether you do it yourself or go to a shop.
Airbag system may not deploy properly in a collision. Seatbelt pretensioners may fail to activate, increasing injury risk.
Start by connecting an OBD2 scanner to read the code and any freeze frame data. Then follow the diagnostic steps specific to U017E to identify the root cause.
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Quick Info
Category
Network
System
Restraint System / Safety
Difficulty
Type
Generic (SAE)
Recommended Tools
OBD2 Scanner
A quality scan tool helps you read codes, view live data, and clear faults.
