Engine-Codes - Generic - U103C

U103C - Keyless Ignition Node Communication

Repair Importance Level: 3/3
Repair Difficulty Level: 3/3  What is this?
Table of contents

U103C Possible Causes

  • Faulty Keyless Ignition Node (KIN)
  • Keyless Ignition Node harness is open or shorted
  • Keyless Ignition Node circuit poor electrical connection
  • Faulty Radio Frequency Hub (RF Hub)

How is the U103C code repair?

Start by checking the "Possible Causes" listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector's pins.

What is the cost to diagnose the U103C code

Labor: 1.0

The cost to diagnose the U103C code is 1.0 hour of labor. The auto repair's diagnosis time and labor rates vary by location, vehicle's make and model, and even your engine type. Most auto repair shops charge between $75 and $150 per hour.
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Possible Symptoms

  • Engine Light ON (or Service Engine Soon Warning Light)

U103C Meaning

The Diagnostic Trouble Code (DTC) sets whenever the Radio Frequency Hub (RF Hub) senses an open, or a short to ground on the Security Keyless Line Communication circuit.

More Information

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Information for specific makes

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