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C2194 Lexus Code - Engine Speed Signal Error

- Code Popularity: 657 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
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What are the Possible Causes of the DTC C2194 Lexus?

NOTE: The causes shown may not be a complete list of all potential problems, and it is possible that there may be other causes.
  • Faulty Engine Control Module (ECM)
  • Engine Control Module (ECM) harness is open or shorted
  • Engine Control Module (ECM) circuit poor electrical connection
  • Faulty Tire Pressure Warning ECU
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How to Fix the DTC C2194 Lexus?

Review the 'Possible Causes' mentioned above and visually examine the corresponding wiring harness and connectors. Ensure to check for any damaged components and inspect the connector pins for signs of being broken, bent, pushed out, or corroded.

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What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the C2194 Lexus code, it typically requires 1.0 hour of labor. The specific diagnosis time and labor rates at auto repair shops can differ based on factors such as the location, make and model of the vehicle, and even the engine type. It is common for most auto repair shops to charge between $75 and $150 per hour.

What are Code Possible Symptoms?

  • Tire Pressure Monitor System (TPMS) Warning Light ON
  • Anti-Lock Brake System (ABS) Warning Light ON

Code C2194 Lexus Description

The Tire Pressure Warning ECU receives an engine speed signal from the Engine Control Module (ECM). This Diagnostic Trouble Code (DTC) is stored upon entering test mode, and cleared when an engine speed signal of 1000 rpm is detected for 3 seconds or more. This DTC is output only in test mode.

OBDII Code C2194 Lexus - Engine Speed Signal Error - AutoCodes.com
C2194 Lexus Code - Engine Speed Signal Error

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Code C2194 Lexus comments

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