C1272 Lexus Code - Low Output Signal of Front Left Speed Sensor
Quick Answer
The speed sensor detects the wheel speed and sends the appropriate signals to the Skid Control ECU (Brake Actuator Assembly). Common causes include Faulty Front Speed Sensor Left, Front Speed Sensor Left Rotor (Front Axle Hub Sub-Assembly Left), Front Speed Sensor Left 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
- C1272 Lexus indicates Low Output Signal of Front Left Speed Sensor.
- Common causes
- Common causes include Faulty Front Speed Sensor Left, Front Speed Sensor Left Rotor (Front Axle Hub Sub-Assembly Left), Front Speed Sensor Left 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 C1272 Lexus Description
What are the Possible Causes of the DTC C1272 Lexus?
- Faulty Front Speed Sensor Left
- Front Speed Sensor Left Rotor (Front Axle Hub Sub-Assembly Left)
- Front Speed Sensor Left harness is open or shorted
- Front Speed Sensor Left circuit poor electrical connection
How to Fix the DTC C1272 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.
Code Tech Notes
If there is iron powder sticking to the rotor, this will result in a malfunction, so confirm that the rotor is not contaminated with foreign material before replacing the sensor.
Check the speed sensor signal after cleaning or replacement.
On most vehicles, the Front Speed Sensor Rotor is incorporated into the Front Axle Hub Sub-Assembly. If the Speed Sensor Rotor needs to be replaced, replace it together with the Front Axle Hub Sub-Assembly.
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the C1272 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 C1272 Lexus Code
1. What does the OBDII code C1272 mean on a Lexus?
C1272 indicates a low output signal from the front left wheel speed sensor, which can interfere with the ABS and traction control systems.
2. What are the common symptoms of C1272 in a Lexus?
Symptoms include ABS or traction control warning lights, reduced braking performance, and possible loss of traction control functionality.
3. What causes the C1272 code to appear on a Lexus?
Common causes include a faulty front left wheel speed sensor, damaged sensor wiring, corroded connectors, or debris interfering with the sensor's function.
4. Can driving with the C1272 code cause further damage?
Driving with this code may reduce safety features like ABS and traction control, increasing the risk of skidding or loss of control in certain conditions.
5. How can I diagnose the C1272 code on my Lexus?
Start by inspecting the front left wheel speed sensor and its wiring for damage or debris. Use a multimeter to test the sensor’s resistance and output signal.
6. How do I fix the C1272 code on a Lexus?
Repairs might include replacing the faulty wheel speed sensor, repairing damaged wiring, cleaning sensor connections, or removing debris near the sensor.
7. How much does it cost to fix the C1272 code on a Lexus?
Replacing a wheel speed sensor typically costs between $150 and $300, depending on parts and labor rates.
8. Can a dirty wheel speed sensor trigger the C1272 code?
Yes, dirt or debris on the sensor or the wheel hub can obstruct the signal, leading to the C1272 code.
9. Will resetting the code fix the issue?
Simply clearing the code without addressing the underlying issue will not resolve the problem, and the code is likely to reappear.
10. Can a failing ABS module cause the C1272 code?
While uncommon, a faulty ABS module could potentially cause signal issues, though it’s more likely due to the sensor or wiring.
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