P1629 Audi Code - CAN Data Bus Cruise Control No Signal
Quick Answer
P1629 Audi indicates CAN Data Bus Cruise Control No Signal. Common causes include Check for cruise control codes. 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
- P1629 Audi indicates CAN Data Bus Cruise Control No Signal.
- Common causes
- Common causes include Check for cruise control codes.
- 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 P1629 Audi Description
What are the Possible Causes of the DTC P1629 Audi?
- Check for cruise control codes
How to Fix the DTC P1629 Audi?
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 P1629 Audi 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 P1629 Audi Code
1. What does the OBD-II code P1629 mean on an Audi?
P1629 indicates an issue with the CAN data bus communication, specifically the cruise control signal not being received by the engine control module (ECM).
2. What are common symptoms of code P1629 in an Audi?
Symptoms may include the cruise control not functioning, a check engine light, reduced vehicle performance, or erratic throttle response.
3. What causes the P1629 code to appear?
Common causes include a faulty cruise control module, damaged wiring or connectors in the CAN bus system, or communication errors between the ECM and other modules.
4. Can I still drive my Audi with the P1629 code?
While the vehicle may still be drivable, the cruise control feature may not work, and prolonged issues with the CAN bus could lead to further communication or performance problems.
5. How do I diagnose the P1629 code in my Audi?
Start by scanning the vehicle with an OBD-II tool, inspect the wiring and connectors of the CAN bus system, and verify communication between the ECM and the cruise control module.
6. How can I fix the P1629 code on my Audi?
Repair or replace damaged wiring or connectors, check the cruise control module for faults, and update or reprogram the ECM if necessary.
7. Could a blown fuse cause the P1629 code?
Yes, a blown fuse related to the cruise control system or CAN bus circuitry could cause this code.
8. Is the P1629 code specific to Audi vehicles?
While P1629 can appear in other vehicles, its description and relevance may vary; in Audi models, it specifically relates to the CAN bus cruise control signal.
9. Do I need specialized tools to fix the P1629 code?
Yes, diagnosing and repairing this code may require an OBD-II scanner and potentially CAN bus diagnostic tools.
10. Can software updates resolve the P1629 code?
In some cases, a software update or reprogramming of the ECM may resolve communication issues triggering the P1629 code.
Discuss the causes and fixes for P1629 Audi OBDII Code
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I replaced all the brake pads and the rear tail shaft transmission seal. Now it starts and shuts off immediately as if it is immobilized. Onley code that came up was P1629
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The code is not related to the brake pads. Let me check if I can find more information, what model and year is your vehicle?
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