C1277 Toyota Code - Abnormal Change in Output Signal of Rear Speed Sensor Right
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 Rear Speed Sensor Right, Rear Speed Sensor Right Rotor (Rear Axle Hub and Bearing Assembly Right), Rear Speed Sensor Right 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
- C1277 Toyota indicates Abnormal Change in Output Signal of Rear Speed Sensor Right.
- Common causes
- Common causes include Faulty Rear Speed Sensor Right, Rear Speed Sensor Right Rotor (Rear Axle Hub and Bearing Assembly Right), Rear Speed Sensor Right 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 C1277 Toyota Description
What are the Possible Causes of the DTC C1277 Toyota?
- Faulty Rear Speed Sensor Right
- Rear Speed Sensor Right Rotor (Rear Axle Hub and Bearing Assembly Right)
- Rear Speed Sensor Right harness is open or shorted
- Rear Speed Sensor Right circuit poor electrical connection
How to Fix the DTC C1277 Toyota?
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
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the C1277 Toyota 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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Information for Specific Toyota Models
- C1277 2013 Toyota RAV4 — Abnormal Change in Output Signal of Rear Speed Sensor Right
- C1277 2014 Toyota RAV4 — Abnormal Change in Output Signal of Rear Speed Sensor Right
- C1277 2015 Toyota RAV4 — Abnormal Change in Output Signal of Rear Speed Sensor Right
- C1277 2016 Toyota RAV4 — Abnormal Change in Output Signal of Rear Speed Sensor Right
- C1277 2017 Toyota RAV4 — Abnormal Change in Output Signal of Rear Speed Sensor Right
- C1277 2018 Toyota RAV4 — Abnormal Change in Output Signal of Rear Speed Sensor Right
Frequently Asked Questions about C1277 Toyota Code
1. What are the common symptoms of OBDII code C1277 in a Toyota related to the abnormal change in output signal of the rear speed sensor right?
- Common symptoms include ABS warning light illuminated on the dashboard, traction control system malfunction, and potential loss of stability control.
2. What are the possible causes of the C1277 code indicating an abnormal change in output signal of the rear speed sensor right in a Toyota?
- Possible causes may include a faulty rear speed sensor, damaged wiring or connectors leading to the sensor, or issues with the ABS control module.
3. How can the rear speed sensor right be tested to diagnose the C1277 code on a Toyota?
- The rear speed sensor can be tested using a multimeter to check for proper resistance values and signal output while the wheel is manually turned.
4. Is it safe to drive a Toyota with the C1277 code triggered by an abnormal change in output signal of the rear speed sensor right?
- It is not recommended to drive the vehicle with this code active as it may compromise the functionality of the ABS and stability control systems.
5. Can resetting the OBDII code C1277 related to the rear speed sensor right fix the issue in a Toyota?
- Resetting the code may temporarily clear the warning light, but it will not fix the underlying problem causing the abnormal signal change.
6. How much does it typically cost to repair the C1277 code indicating an abnormal change in output signal of the rear speed sensor right in a Toyota?
- The cost of repair can vary depending on the exact cause, but it may range from $100 to $300 for parts and labor.
7. Are there any DIY repair tips for addressing the C1277 code in a Toyota caused by the rear speed sensor issue?
- DIY enthusiasts can attempt to inspect the sensor and wiring for any visible damage, clean connectors, and test the sensor using a multimeter before considering replacement.
8. Will the C1277 code affecting the rear speed sensor right impact the overall performance of a Toyota vehicle?
- Yes, this code can affect the vehicle's ABS functionality, traction control, and stability systems, potentially compromising safety and handling.
9. How long does it typically take to repair the C1277 code related to the rear speed sensor right in a Toyota?
- Repair times can vary depending on the exact issue, but it may take anywhere from 1 to 3 hours for a professional technician to diagnose and fix the problem.
10. Is it necessary to visit a dealership for repairing the C1277 code caused by the rear speed sensor issue in a Toyota?
- While visiting a dealership is an option, independent mechanics with experience in ABS systems can also effectively diagnose and repair the C1277 code.
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