AutoCodes – RAM – U1132 RAM

U1132 RAM Code - Generator Communication

Quick Answer

The Diagnostic Trouble Code (DTC) sets when the Engine Control Module (ECM) is not receiving a Local Interconnect Network (LIN) bus message from the Generator. Common causes include Faulty Generator, Generator harness is open or shorted, Generator 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: U1132 RAM indicates Generator Communication.
Common causes: Common causes include Faulty Generator, Generator harness is open or shorted, Generator 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.

Save to My Repairs My Repairs

AI answers can be wrong. Verify repairs with testing. Open full chat

Code Popularity 570

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 23, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
Add Comment

💬 Need more help? Ask Coddy for instant answers — it's free!

Code U1132 RAM Description

The Diagnostic Trouble Code (DTC) sets when the Engine Control Module (ECM) is not receiving a Local Interconnect Network (LIN) bus message from the Generator.

OBDII Code U1132 RAM - Generator Communication - AutoCodes.com — U1132 RAM Code - Generator Communication

What does this mean?

What are the Possible Causes of the DTC U1132 RAM?

Faulty Generator
Generator harness is open or shorted
Generator circuit poor electrical connection
Faulty Engine Control Module (ECM)

How to Fix the DTC U1132 RAM?

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 U1132 RAM 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.

Need more information about the U1132 RAM code?

Need more information on how to fix the U1132 RAM code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the U1132 RAM code diagnosed by a professional: Find a repair shop in your area

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 U1132 RAM Code

1. What are the common symptoms of OBDII code U1132 RAM titled Generator Communication?

The common symptoms of U1132 code may include issues with the vehicle's charging system, illuminated battery warning light on the dashboard, dimming or flickering lights, and difficulty starting the vehicle.

2. What are the possible causes of OBDII code U1132 RAM titled Generator Communication?

Some possible causes of U1132 code include a faulty generator (alternator), damaged wiring or connectors in the communication circuit, a defective PCM (powertrain control module), or a weak battery.

3. How can I diagnose OBDII code U1132 RAM titled Generator Communication?

Diagnosing U1132 code involves using a diagnostic scanner to retrieve the code, checking the battery and charging system components for any visible damage, inspecting the wiring and connectors for continuity, and conducting a communication test between the generator and PCM.

4. Can I drive my vehicle with OBDII code U1132 RAM titled Generator Communication?

It is not recommended to drive the vehicle with U1132 code for an extended period as it can lead to further electrical system issues and potential breakdowns. It is advisable to address the problem promptly.

5. How can I repair OBDII code U1132 RAM titled Generator Communication?

Repairing U1132 code may involve replacing a faulty generator, repairing or replacing damaged wiring or connectors, resetting the fault code with a diagnostic scanner, and ensuring proper communication between the generator and PCM.

6. Will disconnecting the battery reset OBDII code U1132 RAM titled Generator Communication?

Disconnecting the battery may reset the fault code temporarily, but it is not a permanent solution. It is essential to address the underlying issue causing the code to prevent it from reoccurring.

7. How much does it cost to fix OBDII code U1132 RAM titled Generator Communication?

The cost of fixing U1132 code can vary depending on the specific cause of the issue, the labor rates in your area, and the cost of parts needed for repair. It is recommended to consult a professional mechanic for an accurate estimate.

8. Can a DIY enthusiast repair OBDII code U1132 RAM titled Generator Communication?

While some basic troubleshooting steps can be taken by a DIY enthusiast, diagnosing and repairing U1132 code may require specialized tools and expertise. It is advisable to seek assistance from a qualified mechanic for proper diagnosis and repair.

9. How long does it take to fix OBDII code U1132 RAM titled Generator Communication?

The time required to fix U1132 code can vary based on the underlying cause and the complexity of the repair. Simple fixes like replacing a connector may take a short time, while more extensive repairs like replacing the generator can take longer.

10. Can OBDII code U1132 RAM titled Generator Communication cause other problems in the vehicle?

If left unresolved, U1132 code can lead to further electrical system issues, battery drain, and potential damage to other components in the vehicle. It is crucial to address the code promptly to prevent additional problems.