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U0104 on Chevrolet Equinox

Lost Communication with Cruise Control Module

Factory diagnostic protocol and troubleshooting wire for fault code U0104 specifically for the Chevrolet Equinox (2020–2026, 1.5L Turbo 4-Cyl (LYX 175HP)).

Verified OEM Telemetry & Field Repair Tree
Chevrolet Equinox2020–2026
Chevrolet Equinox
SUV1.5L Turbo 4-Cyl (LYX 175HP)
Reliability
Sensor Voltage Ref
0.1V – 5.0V Ref
Equinox 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 Equinox Model Year:

1. Symptoms of U0104 on Chevrolet Equinox

When the Engine Control Module (ECM/PCM) on your Chevrolet Equinox (1.5L Turbo 4-Cyl (LYX 175HP)) logs fault code U0104, drivers commonly observe:

Adaptive Cruise Control (ACC) disabled on Chevrolet Equinox (1.5L Turbo 4-Cyl (LYX 175HP))
Pre-Collision System warning light on on Chevrolet Equinox (1.5L Turbo 4-Cyl (LYX 175HP))
Check Engine Light on on Chevrolet Equinox (1.5L Turbo 4-Cyl (LYX 175HP))
Chevrolet Equinox OBD-II Port Location
The 16-pin diagnostic connector is located Driver footwell above brake arm. Plug in your scan tool to verify freeze-frame sensor values.

2. Most Likely Causes on Chevrolet Equinox

Historical warranty claims and technical repair bulletins for Chevrolet Equinox 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 Equinox.

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

01
Clean Front Radar Sensor in Grille

Clean snow, ice, mud, or dead bugs off front radar emblem. on the Chevrolet Equinox equipped with 1.5L Turbo 4-Cyl (LYX 175HP).

Required Tool: Microfiber Towel
02
Check ACC / Radar Fuse

Verify power feed to radar sensor. on the Chevrolet Equinox equipped with 1.5L Turbo 4-Cyl (LYX 175HP).

Required Tool: Test Light
03
Perform Radar Aiming Calibration

Execute optical/radar alignment procedure if bumper was removed. on the Chevrolet Equinox equipped with 1.5L Turbo 4-Cyl (LYX 175HP).

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

Clear DTCs and test cruise on highway. on the Chevrolet Equinox equipped with 1.5L Turbo 4-Cyl (LYX 175HP).

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

Equipment for Diagnosing Chevrolet Equinox (U0104)

Prime Fast Delivery & Verified Fitment
Direct-Fit Replacement Part

Chevrolet Equinox OEM Replacement Sensor

4.7 / 5.0 (Verified Fit)

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

$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 EquinoxVerified direct-fit pricing from Denso, Bosch, Motorcraft, and ACDelco on Amazon.
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Other Common Fault Codes on Chevrolet Equinox

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

4. Chevrolet Equinox U0104 FAQs

What causes code U0104 to trigger on a Chevrolet Equinox?

On the Chevrolet Equinox (1.5L Turbo 4-Cyl (LYX 175HP)), 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 Equinox?

On the Chevrolet Equinox, the 16-pin DLC diagnostic connector is located Driver footwell above brake arm. 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 Equinox 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.