P1381 Geo Code - Misfire Detected - No Communication with Brake Control Module
Quick Answer
The Powertrain Control Module (PCM) receives rough road information from the Electronic Brake Control Module (EBCM) on the serial data circuit. Common causes include Repair other codes first. 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
- P1381 Geo indicates Misfire Detected - No Communication with Brake Control Module.
- Common causes
- Common causes include Repair other codes first.
- 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 P1381 Geo Description
How to Fix the DTC P1381 Geo?
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 P1381 Geo 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 P1381 Geo Code
1. What are the common symptoms of OBDII code P1381 in a Geo related to "Misfire Detected - No Communication with Brake Control Module"?
- Common symptoms include engine misfires, rough idling, decreased fuel efficiency, and the illumination of the Check Engine Light.
2. What are the possible causes of OBDII code P1381 in a Geo indicating "Misfire Detected - No Communication with Brake Control Module"?
- Possible causes include a faulty brake control module, wiring issues between the engine control module and brake control module, or a malfunctioning engine control module.
3. How can I diagnose OBDII code P1381 in a Geo for "Misfire Detected - No Communication with Brake Control Module"?
- Diagnosis involves using a scan tool to retrieve the specific trouble code, checking for any related wiring issues, and testing the brake control module for proper functionality.
4. Can I still drive my Geo with OBDII code P1381 indicating "Misfire Detected - No Communication with Brake Control Module"?
- It is generally not recommended to drive the vehicle with this code present, as it can lead to further engine and brake control issues. It is best to address the problem promptly.
5. What are some repair tips for resolving OBDII code P1381 in a Geo with the message "Misfire Detected - No Communication with Brake Control Module"?
- Repair tips include checking and repairing any damaged wiring, ensuring proper connections between modules, and replacing any faulty control modules as needed.
6. How much does it typically cost to repair OBDII code P1381 in a Geo related to "Misfire Detected - No Communication with Brake Control Module"?
- Repair costs can vary depending on the specific issue, but they may range from a few hundred to over a thousand dollars, including parts and labor.
7. Is it possible to reset the OBDII code P1381 in a Geo for "Misfire Detected - No Communication with Brake Control Module" without addressing the underlying issue?
- While you can clear the code temporarily, it is likely to reappear if the root cause is not fixed. It is crucial to diagnose and repair the problem to prevent further issues.
8. Are there any recalls or technical service bulletins related to OBDII code P1381 in a Geo due to "Misfire Detected - No Communication with Brake Control Module"?
- It is recommended to check with your Geo dealership or online resources for any relevant recalls or technical service bulletins related to this specific OBDII code.
9. Can a DIY enthusiast fix OBDII code P1381 in a Geo indicating "Misfire Detected - No Communication with Brake Control Module"?
- Depending on your skill level and access to tools, some DIY enthusiasts may be able to address wiring issues or replace control modules. However, complex diagnostics may require professional assistance.
10. How urgent is it to address OBDII code P1381 in a Geo displaying "Misfire Detected - No Communication with Brake Control Module"?
- It is advisable to address this code promptly to prevent potential safety hazards, further engine damage, or brake control issues. Ignoring the problem can lead to more significant and costly repairs down the line.
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