AutoCodes – Chevrolet – P1381 Chevrolet

P1381 Chevrolet 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 Chevrolet 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.

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Code Popularity 37,782

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

Table of contents Created and updated by William Orellana on Aug 16, 2019

Description
Possible Causes
How To Fix
Tech Notes
Cost to Diagnose
Comments
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Code P1381 Chevrolet Description

The Powertrain Control Module (PCM) receives rough road information from the Electronic Brake Control Module (EBCM) on the serial data circuit. The PCM uses the rough road information to enhance the misfire diagnostic by distinguishing crankshaft speed variations caused by driving on rough road surfaces from variations caused by true misfires. The EBCM transmits rough road information based on inputs from the wheel speed sensors.

OBDII Code P1381 Chevrolet - Misfire Detected - No Communication with Brake Control Module - AutoCodes.com — P1381 Chevrolet Code - Misfire Detected - No Communication with Brake Control Module

What does this mean?

What are the Possible Causes of the DTC P1381 Chevrolet?

Repair other codes first

How to Fix the DTC P1381 Chevrolet?

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 does this mean?

Code Tech Notes

If the P1381 code is set with other codes, repair other codes first and then clear the code.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P1381 Chevrolet 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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About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about P1381 Chevrolet Code

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angel
Date: May 18, 2013 at 7:20 pm

Amigos estoy muy agradecido con toda esta información es oro molido pero será posible que lo pusieran en español ya que yo no se leer en ingles se los pido encarecidamente y como un gran favor DTB.

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