C2173 Lexus Code - Vehicle Speed Or Engine Speed Signal Malfunction
Quick Answer
The Tire Pressure Warning ECU receives a vehicle speed signal from the combination meter and an engine speed signal from the ECM. Common causes include Faulty Combination Meter, Faulty Tire Pressure Warning ECU, Tire Pressure Warning ECU harness is open or shorted. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
- What it means
- C2173 Lexus indicates Vehicle Speed Or Engine Speed Signal Malfunction.
- Common causes
- Common causes include Faulty Combination Meter, Faulty Tire Pressure Warning ECU, Tire Pressure Warning ECU harness is open or shorted.
- Severity
- High - diagnose this code as soon as possible.
- Can I drive?
- Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
Code C2173 Lexus Description
What are the Possible Causes of the DTC C2173 Lexus?
- Faulty Combination Meter
- Faulty Tire Pressure Warning ECU
- Tire Pressure Warning ECU harness is open or shorted
- Tire Pressure Warning ECU circuit poor electrical connection
How to Fix the DTC C2173 Lexus?
Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the C2173 Lexus code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.
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Frequently Asked Questions about C2173 Lexus Code
1. What are the common symptoms of OBDII code C2173 in a Lexus?
- Common symptoms include erratic speedometer readings, engine stalling, and transmission shifting issues.
2. What causes the OBDII code C2173 in a Lexus?
- The code is typically triggered by a malfunction in the vehicle speed sensor, engine speed sensor, or related wiring issues.
3. How can I diagnose the cause of OBDII code C2173 in my Lexus?
- Use a diagnostic scanner to retrieve the code and then inspect the vehicle speed sensor, engine speed sensor, and their connections for any damage or loose connections.
4. Can a faulty ABS module trigger the OBDII code C2173 in a Lexus?
- Yes, a malfunctioning ABS module can sometimes cause issues with the vehicle speed signal and trigger this code.
5. What are some repair tips for fixing OBDII code C2173 in a Lexus?
- Start by checking and cleaning the connectors of the speed sensors, inspect the sensor wiring for damage, and replace any faulty sensors if necessary.
6. Is it safe to continue driving my Lexus with OBDII code C2173 present?
- It is not recommended to drive the vehicle with this code as it can lead to inaccurate speed readings and potential safety hazards.
7. Can a DIY enthusiast fix the OBDII code C2173 issue in a Lexus?
- Depending on your skill level, you may be able to address the issue by inspecting and replacing the faulty speed sensors or wiring.
8. How much does it typically cost to repair OBDII code C2173 in a Lexus at a repair shop?
- The cost can vary depending on the exact cause of the issue, but it may range from $100 to $300 for parts and labor.
9. Will resetting the OBDII code C2173 in a Lexus make it go away permanently?
- Resetting the code without addressing the underlying issue will not make it go away permanently; the problem needs to be diagnosed and fixed.
10. Can extreme weather conditions affect the triggering of OBDII code C2173 in a Lexus?
- Yes, extreme temperatures or weather conditions can sometimes impact the performance of the sensors and lead to the triggering of this code.
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