AutoCodes – Cadillac – U2167 Cadillac

U2167 Cadillac Code - Lost Communication With Remote Control Door Lock Receiver

Quick Answer

Devices connected to the serial data circuits monitor for serial data communications during normal vehicle operation. Common causes include Faulty Remote Control Door Lock Receiver (RCDLR), Remote Control Door Lock Receiver harness is open or shorted, Remote Control Door Lock Receiver 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: U2167 Cadillac indicates Lost Communication With Remote Control Door Lock Receiver.
Common causes: Common causes include Faulty Remote Control Door Lock Receiver (RCDLR), Remote Control Door Lock Receiver harness is open or shorted, Remote Control Door Lock Receiver 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 786

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 Jun 16, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code U2167 Cadillac Description

Devices connected to the serial data circuits monitor for serial data communications during normal vehicle operation. Operating information and commands are exchanged among the devices. The devices have prerecorded information about what messages are needed to be exchanged on the serial data circuits, for each virtual network. The messages are supervised and also, some periodic messages are used by the receiver device as an availability indication of the transmitter device. Each message contains the identification number of the transmitter device. A loss of serial data communications Diagnostic Trouble Code (DTC) does not represent a failure of the devices that contain the stored code. The DTC will set when a supervised periodic message that includes the transmitter device availability has not been received.

OBDII Code U2167 Cadillac - Lost Communication With Remote Control Door Lock Receiver - AutoCodes.com — U2167 Cadillac Code - Lost Communication With Remote Control Door Lock Receiver

What does this mean?

What are the Possible Causes of the DTC U2167 Cadillac?

Faulty Remote Control Door Lock Receiver (RCDLR)
Remote Control Door Lock Receiver harness is open or shorted
Remote Control Door Lock Receiver circuit poor electrical connection

How to Fix the DTC U2167 Cadillac?

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 U2167 Cadillac 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 U2167 Cadillac Code

1. What are the common symptoms of OBDII code U2167 in a Cadillac related to lost communication with the remote control door lock receiver?

- Common symptoms include issues with remote keyless entry, malfunctioning door locks, and warning lights on the dashboard.

2. What are the possible causes of OBDII code U2167 in a Cadillac?

- Possible causes include a faulty remote control door lock receiver, wiring or connection issues, a damaged antenna, or a problem with the vehicle's body control module.

3. How can I diagnose the source of the communication problem with the remote control door lock receiver in my Cadillac?

- A thorough inspection of the wiring and connections, checking the antenna for damage, and using a diagnostic scanner to pinpoint the exact issue are recommended steps for diagnosis.

4. Are there any common DIY repairs I can attempt to fix the U2167 code related to the remote control door lock receiver in my Cadillac?

- DIY repairs may include checking and repairing any damaged wiring, ensuring proper connections, or replacing a faulty remote control door lock receiver if needed.

5. Can a malfunctioning remote control door lock receiver impact the overall security of my Cadillac?

- Yes, a malfunctioning remote control door lock receiver can compromise the security of your vehicle by affecting the proper functioning of the door locks and keyless entry system.

6. Is it safe to continue driving my Cadillac with the U2167 code related to lost communication with the remote control door lock receiver?

- While the vehicle may still be operable, it is recommended to address the issue promptly to avoid potential security risks or further electrical problems.

7. How much does it typically cost to repair the U2167 OBDII code in a Cadillac caused by lost communication with the remote control door lock receiver?

- Repair costs can vary depending on the exact cause of the issue, but it is advisable to consult a professional technician for an accurate diagnosis and cost estimate.

8. Can I reset the U2167 code related to the remote control door lock receiver in my Cadillac by disconnecting the battery?

- Disconnecting the battery may temporarily clear the code, but it is essential to address the underlying issue causing the communication problem to prevent the code from reoccurring.

9. Is the remote control door lock receiver in a Cadillac a common component to fail, leading to the U2167 diagnostic trouble code?

- While component failure can occur, issues with wiring, connections, or the vehicle's control modules are often more common culprits for the U2167 code related to lost communication.

10. How can regular maintenance help prevent issues with the remote control door lock receiver that may trigger the U2167 code in a Cadillac?

- Regular inspections, checking for any signs of wear or damage, and addressing electrical issues promptly can help prevent problems with the remote control door lock receiver and related diagnostic trouble codes.