AutoCodes – Generic – U2016

U2016 Code - Powertrain Control Module Short To Ground

Quick Answer

The Powertrain Control Module (PCM) monitors the signal from the Overhead Trip Computer (OTC) (Message Center). Common causes include Faulty Overhead Trip Computer (OTC) (Message Center), Overhead Trip Computer harness is open or shorted, Overhead Trip Computer 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: U2016 indicates Powertrain Control Module Short To Ground.
Common causes: Common causes include Faulty Overhead Trip Computer (OTC) (Message Center), Overhead Trip Computer harness is open or shorted, Overhead Trip Computer 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 13,022

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 Nov 23, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code U2016 Description

The Powertrain Control Module (PCM) monitors the signal from the Overhead Trip Computer (OTC) (Message Center). The PCM sets the OBDII code when the signal from the Overhead Trip Computer (OTC) (Message Center) is short to ground.

OBDII Code U2016 - Powertrain Control Module Short To Ground - AutoCodes.com — U2016 Code - Powertrain Control Module Short To Ground

What does this mean?

What are the Possible Causes of the DTC U2016?

Faulty Overhead Trip Computer (OTC) (Message Center)
Overhead Trip Computer harness is open or shorted
Overhead Trip Computer circuit poor electrical connection

How to Fix the DTC U2016?

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 U2016 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 U2016 code?

Need more information on how to fix the U2016 code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the U2016 code diagnosed by a professional: Find a repair shop in your area

Information for Specific Makes

U2016 Ford — Powertrain Control Module Short To Ground
U2016 Lincoln — Powertrain Control Module Short To Ground
U2016 Mercury — Powertrain Control Module Short To Ground

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 U2016 Code

1. What are the common symptoms of OBDII code U2016 (Powertrain Control Module Short To Ground)?

The common symptoms include engine stalling, rough idling, poor acceleration, and the illumination of the Check Engine Light.

2. What are the possible causes of OBDII code U2016?

Possible causes of this code include damaged wiring, a faulty powertrain control module (PCM), a short to ground in the PCM circuit, or a malfunctioning PCM relay.

3. How can I diagnose OBDII code U2016?

Diagnosing this code involves using a scan tool to read the code, inspecting the wiring and connectors for damage, checking the PCM relay, and testing the PCM circuit for any shorts to ground.

4. Can I still drive my vehicle with OBDII code U2016?

It is not recommended to drive your vehicle with this code present, as it can lead to further damage and potential safety issues. It is best to address the issue promptly.

5. How do I repair OBDII code U2016?

Repairing this code may involve repairing or replacing damaged wiring, replacing the PCM if it is faulty, checking and replacing the PCM relay, and clearing the code with a scan tool.

6. Is OBDII code U2016 a serious issue?

Yes, this code should be addressed promptly, as it can cause drivability issues and potentially lead to more severe problems if left unresolved.

7. Can a DIY enthusiast fix OBDII code U2016?

While some aspects of diagnosing and repairing this code may be possible for a DIY enthusiast with the right tools and knowledge, it is recommended to consult a professional mechanic for an accurate diagnosis and proper repair.

8. How much does it cost to repair OBDII code U2016?

The cost of repairing this code can vary depending on the underlying issue, the extent of the damage, and whether any parts need to be replaced. It is advisable to get a few quotes from different repair shops.

9. Will OBDII code U2016 affect my vehicle's performance?

Yes, this code can impact your vehicle's performance by causing engine stalling, rough idling, and other drivability issues. It is essential to address the problem to ensure optimal performance.

10. How can I prevent OBDII code U2016 from occurring again?

To prevent this code from reoccurring, it is crucial to maintain your vehicle regularly, address any wiring or electrical issues promptly, and follow the manufacturer's recommended maintenance schedule.