AutoCodes – Generic – U1012

U1012 Code - Invalid Internal Control Module Monitoring Data Received From Anti-Lock Brake System Control Module

Quick Answer

Network Diagnostic Trouble Code (DTC) concerns occur during module to module communication. Common causes include Faulty Anti-Lock Brake System (ABS) Control Module, Anti-Lock Brake System (ABS) Control Module harness is open or shorted, Anti-Lock Brake System (ABS) Control Module 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: U1012 indicates Invalid Internal Control Module Monitoring Data Received From Anti-Lock Brake System Control Module.
Common causes: Common causes include Faulty Anti-Lock Brake System (ABS) Control Module, Anti-Lock Brake System (ABS) Control Module harness is open or shorted, Anti-Lock Brake System (ABS) Control Module 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.

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Code Popularity 11,160

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 Apr 16, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
Comments
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Code U1012 Description

Network Diagnostic Trouble Code (DTC) concerns occur during module to module communication. Invalid data network concerns - data is transferred within the normal inter-module message but contains known invalid data. The receiving module logs a DTC related to the invalid data concern.

OBDII Code U1012 - Invalid Internal Control Module Monitoring Data Received From Anti-Lock Brake System Control Module - AutoCodes.com — U1012 Code - Invalid Internal Control Module Monitoring Data Received From Anti-Lock Brake System Control Module

What does this mean?

What are the Possible Causes of the DTC U1012?

Faulty Anti-Lock Brake System (ABS) Control Module
Anti-Lock Brake System (ABS) Control Module harness is open or shorted
Anti-Lock Brake System (ABS) Control Module circuit poor electrical connection

How to Fix the DTC U1012?

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 U1012 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

U1012 Ford — Invalid Internal Control Module Monitoring Data Received From Anti-Lock Brake System Control Module
U1012 Lincoln — Invalid Internal Control Module Monitoring Data Received From Anti-Lock Brake System Control Module
U1012 Mercury — Invalid Internal Control Module Monitoring Data Received From Anti-Lock Brake System Control Module

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.