U1433 Code - Implausible Igntion Switch Status Message Received
Quick Answer
The Body Control Module (BCM) monitors the hardwired ignition switch input circuit from the Radio Frequency (RF) Hub module and compares it to the ignition switch status message received over the Controller Area Network (CAN) bus. Common causes include Faulty Body Control Module (BCM), Body Control Module (BCM) harness is open or shorted, Body Control Module (BCM) 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
- U1433 indicates Implausible Igntion Switch Status Message Received.
- Common causes
- Common causes include Faulty Body Control Module (BCM), Body Control Module (BCM) harness is open or shorted, Body Control Module (BCM) 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 U1433 Description
What are the Possible Causes of the DTC U1433?
- Faulty Body Control Module (BCM)
- Body Control Module (BCM) harness is open or shorted
- Body Control Module (BCM) circuit poor electrical connection
- Faulty Radio Frequency Hub (RF Hub)
How to Fix the DTC U1433?
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 U1433 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 Makes
- U1433 Chrysler — Implausible Igntion Switch Status Message Received
- U1433 Dodge — Implausible Igntion Switch Status Message Received
- U1433 Jeep — Implausible Igntion Switch Status Message Received
- U1433 RAM — Implausible Igntion Switch Status Message Received
Frequently Asked Questions about U1433 Code
1. What are the common symptoms of an OBDII code U1433 (Implausible Ignition Switch Status Message Received)?
- Common symptoms include issues with starting the vehicle, intermittent loss of power, and illuminated dashboard warning lights related to the ignition system.
2. What are the possible causes of OBDII code U1433?
- Possible causes of this code include a faulty ignition switch, damaged wiring or connectors in the ignition switch circuit, or a communication error within the vehicle's network.
3. How can I diagnose the source of an OBDII code U1433?
- Diagnosing the code typically involves using a professional OBDII scanner to retrieve the specific details of the fault. Further testing may be needed to inspect the ignition switch, wiring, and communication modules.
4. Is it safe to drive with an OBDII code U1433 present?
- It is generally not recommended to drive with this code, as it may lead to unexpected issues with the ignition system while on the road. It is best to address the problem promptly to ensure safe driving conditions.
5. Can I reset the OBDII code U1433 on my own?
- While you can clear the code with an OBDII scanner, it is important to investigate and repair the underlying issue causing the fault to prevent the code from reoccurring.
6. Are there any simple repairs I can try to fix OBDII code U1433?
- Simple repairs may include checking and securing the wiring connections related to the ignition switch, ensuring proper grounding, and inspecting for any visible damage.
7. How much does it typically cost to repair OBDII code U1433?
- The cost of repair can vary depending on the specific cause of the code and whether professional diagnosis and labor are required. It is recommended to consult a mechanic for an accurate estimate.
8. Can a DIY enthusiast fix OBDII code U1433 at home?
- Depending on the skill level and tools available, some DIY enthusiasts may be able to address the issue causing the code. However, complex electrical or communication system problems may require professional assistance.
9. Will OBDII code U1433 affect the overall performance of my vehicle?
- Yes, this code can impact the performance of the vehicle, especially related to the ignition system and overall drivability. Addressing the issue promptly can help maintain optimal performance.
10. How urgent is it to address OBDII code U1433?
- It is recommended to address this code as soon as possible to prevent potential safety hazards and further damage to the vehicle's electrical system. Delaying repairs may lead to more severe issues down the line.
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