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U0104 on Dodge Durango

Lost Communication with Cruise Control Module

Factory diagnostic protocol and troubleshooting wire for fault code U0104 specifically for the Dodge Durango (2021–2026, 3.6L Pentastar V6 (293HP) / 5.7L HEMI V8 (360HP) / 6.4L 392 SRT (475HP)).

Verified OEM Telemetry & Field Repair Tree
Dodge Durango2021–2026
Dodge Durango
SUV3.6L Pentastar V6 (293HP) / 5.7L HEMI V8 (360HP) / 6.4L 392 SRT (475HP)
Reliability
Sensor Voltage Ref
0.1V – 5.0V Ref
Durango 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 Dodge Model:
Diagnose U0104 on Specific Durango Model Year:

1. Symptoms of U0104 on Dodge Durango

When the Engine Control Module (ECM/PCM) on your Dodge Durango (3.6L Pentastar V6 (293HP) / 5.7L HEMI V8 (360HP) / 6.4L 392 SRT (475HP)) logs fault code U0104, drivers commonly observe:

Adaptive Cruise Control (ACC) disabled on Dodge Durango (3.6L Pentastar V6 (293HP) / 5.7L HEMI V8 (360HP) / 6.4L 392 SRT (475HP))
Pre-Collision System warning light on on Dodge Durango (3.6L Pentastar V6 (293HP) / 5.7L HEMI V8 (360HP) / 6.4L 392 SRT (475HP))
Check Engine Light on on Dodge Durango (3.6L Pentastar V6 (293HP) / 5.7L HEMI V8 (360HP) / 6.4L 392 SRT (475HP))
Dodge Durango OBD-II Port Location
The 16-pin diagnostic connector is located Driver lower dash panel near fuse box. Plug in your scan tool to verify freeze-frame sensor values.

2. Most Likely Causes on Dodge Durango

Historical warranty claims and technical repair bulletins for Dodge Durango point to the following failure distribution:

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

3. Step-by-Step DIY Repair Guide for Dodge Durango

01
Clean Front Radar Sensor in Grille

Clean snow, ice, mud, or dead bugs off front radar emblem. on the Dodge Durango equipped with 3.6L Pentastar V6 (293HP) / 5.7L HEMI V8 (360HP) / 6.4L 392 SRT (475HP).

Required Tool: Microfiber Towel
02
Check ACC / Radar Fuse

Verify power feed to radar sensor. on the Dodge Durango equipped with 3.6L Pentastar V6 (293HP) / 5.7L HEMI V8 (360HP) / 6.4L 392 SRT (475HP).

Required Tool: Test Light
03
Perform Radar Aiming Calibration

Execute optical/radar alignment procedure if bumper was removed. on the Dodge Durango equipped with 3.6L Pentastar V6 (293HP) / 5.7L HEMI V8 (360HP) / 6.4L 392 SRT (475HP).

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

Clear DTCs and test cruise on highway. on the Dodge Durango equipped with 3.6L Pentastar V6 (293HP) / 5.7L HEMI V8 (360HP) / 6.4L 392 SRT (475HP).

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

Equipment for Diagnosing Dodge Durango (U0104)

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Direct-Fit Replacement Part

Dodge Durango OEM Replacement Sensor

4.7 / 5.0 (Verified Fit)

Direct-fit replacement assembly engineered to OEM tolerances for Dodge Durango.

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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
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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.

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Other Common Fault Codes on Dodge Durango

Frequently diagnosed powertrain, emissions, and sensor trouble codes logged on the Dodge Durango:

4. Dodge Durango U0104 FAQs

What causes code U0104 to trigger on a Dodge Durango?

On the Dodge Durango (3.6L Pentastar V6 (293HP) / 5.7L HEMI V8 (360HP) / 6.4L 392 SRT (475HP)), 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 Dodge Durango?

On the Dodge Durango, the 16-pin DLC diagnostic connector is located Driver lower dash panel near fuse box. Plug in any standard OBD-II scanner with the ignition in the ON position to read freeze-frame parameters.

Can I safely drive my Dodge Durango 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.