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U0104 on Chevrolet Traverse

Lost Communication with Cruise Control Module

Factory diagnostic protocol and troubleshooting wire for fault code U0104 specifically for the Chevrolet Traverse (2020–2026, 2.5L Turbo 4-Cyl (328HP) / 3.6L V6 (310HP AWD)).

Verified OEM Telemetry & Field Repair Tree
Chevrolet Traverse2020–2026
Chevrolet Traverse
SUV2.5L Turbo 4-Cyl (328HP) / 3.6L V6 (310HP AWD)
Reliability
Sensor Voltage Ref
0.1V – 5.0V Ref
Traverse SAE Mode $01
ECU Network Bus
500 kbps CAN-FD
ISO 15765-4 Compliant
Drivability Status
Not Recommended
Low urgency level
Est. Repair Cost
$100 - $450 (DIY: $0 - $150)
Parts & Labor DIY
Check U0104 On Another Chevrolet Model:
Diagnose U0104 on Specific Traverse Model Year:

1. Symptoms of U0104 on Chevrolet Traverse

When the Engine Control Module (ECM/PCM) on your Chevrolet Traverse (2.5L Turbo 4-Cyl (328HP) / 3.6L V6 (310HP AWD)) logs fault code U0104, drivers commonly observe:

Adaptive Cruise Control (ACC) disabled on Chevrolet Traverse (2.5L Turbo 4-Cyl (328HP) / 3.6L V6 (310HP AWD))
Pre-Collision System warning light on on Chevrolet Traverse (2.5L Turbo 4-Cyl (328HP) / 3.6L V6 (310HP AWD))
Check Engine Light on on Chevrolet Traverse (2.5L Turbo 4-Cyl (328HP) / 3.6L V6 (310HP AWD))
Chevrolet Traverse OBD-II Port Location
The 16-pin diagnostic connector is located Driver lower kick panel to the right of brake pedal. Plug in your scan tool to verify freeze-frame sensor values.

2. Most Likely Causes on Chevrolet Traverse

Historical warranty claims and technical repair bulletins for Chevrolet Traverse point to the following failure distribution:

55%
Blocked or dirty front radar sensor in grille/bumper (Chevrolet OEM Part)
25%
Blown radar module fuse (Chevrolet OEM Part)
12%
Faulty radar cruise control module (Chevrolet OEM Part)
8%
Misaligned radar sensor following minor bumper bump (Chevrolet OEM Part)
* Source: Synthesized from NHTSA ODI field repair telemetry and verified OEM Technical Service Bulletin (TSB) repair tree frequency percentiles for Chevrolet Traverse.

3. Step-by-Step DIY Repair Guide for Chevrolet Traverse

01
Clean Front Radar Sensor in Grille

Clean snow, ice, mud, or dead bugs off front radar emblem. on the Chevrolet Traverse equipped with 2.5L Turbo 4-Cyl (328HP) / 3.6L V6 (310HP AWD).

Required Tool: Microfiber Towel
02
Check ACC / Radar Fuse

Verify power feed to radar sensor. on the Chevrolet Traverse equipped with 2.5L Turbo 4-Cyl (328HP) / 3.6L V6 (310HP AWD).

Required Tool: Test Light
03
Perform Radar Aiming Calibration

Execute optical/radar alignment procedure if bumper was removed. on the Chevrolet Traverse equipped with 2.5L Turbo 4-Cyl (328HP) / 3.6L V6 (310HP AWD).

Required Tool: Calibration Target, Scan Tool
04
Clear Trouble Codes

Clear DTCs and test cruise on highway. on the Chevrolet Traverse equipped with 2.5L Turbo 4-Cyl (328HP) / 3.6L V6 (310HP AWD).

Required Tool: OBD-II Scanner
Recommended Parts & Testing Tools

Equipment for Diagnosing Chevrolet Traverse (U0104)

Prime Fast Delivery & Verified Fitment
Direct-Fit Replacement Part

Chevrolet Traverse OEM Replacement Sensor

4.7 / 5.0 (Verified Fit)

Direct-fit replacement assembly engineered to OEM tolerances for Chevrolet Traverse.

$45 – $95 Prime
Check Fitment on Amazon
Sensor Signal Voltage Meter

AstroAI Auto-Ranging Digital Multimeter

4.6 / 5.0 (Best Seller)

Essential for testing 0.1V–5.0V sensor reference signals, ground continuity (<0.20Ω), and harness resistance.

$29.99 Prime
View on Amazon
Top Mobile OBD-II Scanner

BlueDriver Bluetooth Pro OBDII Scan Tool

4.7 / 5.0 (50,000+ Reviews)

Reads and clears enhanced codes (ABS, Airbag, Transmission, Engine) & live freeze-frame telemetry on phone.

Compare OEM & Aftermarket Replacement Sensors for Chevrolet TraverseVerified direct-fit pricing from Denso, Bosch, Motorcraft, and ACDelco on Amazon.
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Other Common Fault Codes on Chevrolet Traverse

Frequently diagnosed powertrain, emissions, and sensor trouble codes logged on the Chevrolet Traverse:

4. Chevrolet Traverse U0104 FAQs

What causes code U0104 to trigger on a Chevrolet Traverse?

On the Chevrolet Traverse (2.5L Turbo 4-Cyl (328HP) / 3.6L V6 (310HP AWD)), U0104 is most frequently caused by Blocked or dirty front radar sensor in grille/bumper or Blown radar module fuse.

Where is the OBD-II port located on my Chevrolet Traverse?

On the Chevrolet Traverse, the 16-pin DLC diagnostic connector is located Driver lower kick panel to the right of brake pedal. Plug in any standard OBD-II scanner with the ignition in the ON position to read freeze-frame parameters.

Can I safely drive my Chevrolet Traverse with code U0104?

Yes. Normal driving is unaffected, but Adaptive Cruise Control will not engage. Given that U0104 carries a Low severity rating, we advise avoiding heavy towing or aggressive throttle inputs until sensor readings are verified.