C1429 Lexus Code - Open Or Short In Brake Pedal Load Sensing Switch
Quick Answer
The Brake Pedal Load Sensing Switch turns ON when the brake pedal is depressed with a force exceeding a predetermined level. Common causes include Faulty Brake Pedal Load Sensing Switch, Brake Pedal Load Sensing Switch harness is open or shorted, Brake Pedal Load Sensing Switch circuit poor electrical connection. 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
- C1429 Lexus indicates Open Or Short In Brake Pedal Load Sensing Switch.
- Common causes
- Common causes include Faulty Brake Pedal Load Sensing Switch, Brake Pedal Load Sensing Switch harness is open or shorted, Brake Pedal Load Sensing Switch circuit poor electrical connection.
- 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 C1429 Lexus Description
What are the Possible Causes of the DTC C1429 Lexus?
- Faulty Brake Pedal Load Sensing Switch
- Brake Pedal Load Sensing Switch harness is open or shorted
- Brake Pedal Load Sensing Switch circuit poor electrical connection
How to Fix the DTC C1429 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 C1429 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 C1429 Lexus Code
1. What does OBDII code C1429 mean on a Lexus?
C1429 indicates an issue with the brake pedal load sensing switch, specifically an open or short circuit in its wiring or internal components.
2. What are the common symptoms of code C1429 in a Lexus?
Common symptoms include the ABS warning light illuminated, unresponsive or inconsistent braking feel, and possible deactivation of traction or stability control systems.
3. What causes the C1429 code to appear?
This code can be triggered by a faulty brake pedal load sensing switch, damaged or corroded wiring, a short or open circuit, or a malfunction in the ABS module.
4. Can I still drive my Lexus with the C1429 code active?
While the vehicle may still be drivable, safety features like ABS and traction control may be compromised. It’s recommended to address the issue promptly.
5. How can I diagnose the C1429 code on a Lexus?
Start by scanning the vehicle with an OBDII scanner, visually inspecting the brake pedal load sensing switch and its wiring for damage, and testing the switch with a multimeter.
6. How do you fix the C1429 code on a Lexus?
Repairs may include replacing the brake pedal load sensing switch, repairing or replacing damaged wiring, or resetting the code after fixing the issue.
7. Is the C1429 code specific to Lexus vehicles?
Yes, this code is specific to Lexus (and other Toyota vehicles) and relates to the brake pedal load sensing switch circuit.
8. Can a dead battery cause the C1429 code to appear?
A weak or dead battery is unlikely to directly cause this code, but voltage issues can sometimes lead to electrical malfunctions. It’s best to rule out this possibility during diagnosis.
9. How much does it cost to repair the C1429 code on a Lexus?
Repair costs vary depending on the issue, but replacing the brake pedal load sensing switch typically costs $100–$300, including parts and labor.
10. Can clearing the C1429 code with an OBDII scanner fix the problem?
Clearing the code will temporarily remove the warning, but if the underlying issue isn’t resolved, the code will reappear. Always address the root cause.
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