U2167 Buick 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 Buick 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.
Code U2167 Buick Description
What are the Possible Causes of the DTC U2167 Buick?
- 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 Buick?
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 Buick 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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Frequently Asked Questions about U2167 Buick Code
1. What does the OBDII code U2167 mean on a Buick?
U2167 indicates that the vehicle's control modules have lost communication with the Remote Control Door Lock Receiver (RCDLR), which is responsible for keyless entry and remote locking functions.
2. What are the common symptoms of the U2167 code on a Buick?
Symptoms may include the key fob not working, inability to lock/unlock doors remotely, issues with remote start, or a warning light on the dashboard.
3. What causes the U2167 code to appear on a Buick?
Common causes include a faulty Remote Control Door Lock Receiver (RCDLR), wiring issues, poor electrical connections, software glitches, or a failing control module.
4. Can a weak key fob battery cause the U2167 code?
A weak key fob battery is unlikely to trigger the U2167 code directly but may cause similar symptoms, such as keyless entry failure. Replacing the key fob battery is a good first step.
5. How is the U2167 code diagnosed on a Buick?
Technicians diagnose this code by scanning the vehicle with an OBDII tool, inspecting the RCDLR and related wiring, checking for power/ground continuity, and testing module communication.
6. Can I drive my Buick with the U2167 code?
Yes, the vehicle is typically safe to drive, but features like remote locking, remote start, or keyless entry may not work until the issue is resolved.
7. How do I fix the U2167 code on my Buick?
Repairs may include checking and repairing wiring or connections, replacing a faulty RCDLR, updating module software, or reprogramming the RCDLR.
8. Does the U2167 code require reprogramming the key fob?
Not necessarily. The issue is generally with the RCDLR or its communication, but reprogramming the key fob may be required if the system has been reset.
9. How much does it cost to fix the U2167 code on a Buick?
Repair costs vary but may range from $100 to $500, depending on whether wiring repairs, module replacement, or reprogramming is needed.
10. Can disconnecting the battery clear the U2167 code?
Disconnecting the battery may clear the code temporarily, but if the underlying issue isn’t fixed, the code is likely to return.
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