P1606 Audi Code - Rough Road Signal Circuit Malfunction
Quick Answer
P1606 Audi indicates Rough Road Signal Circuit Malfunction. Common causes include Check ABS control module trouble code(s) stored, Faulty ABS control module, Control Area Network (CAN) data bus. 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
- P1606 Audi indicates Rough Road Signal Circuit Malfunction.
- Common causes
- Common causes include Check ABS control module trouble code(s) stored, Faulty ABS control module, Control Area Network (CAN) data bus.
- 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 P1606 Audi Description
What are the Possible Causes of the DTC P1606 Audi?
- Check ABS control module trouble code(s) stored
- Faulty ABS control module
- Control Area Network (CAN) data bus
How to Fix the DTC P1606 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 P1606 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 P1606 Audi Code
1. What does the OBDII code P1606 mean on an Audi?
P1606 indicates a Rough Road Signal Circuit Malfunction, which relates to issues with the signal from the vehicle's ABS or wheel speed sensors used by the engine control module.
2. What are the common symptoms of the P1606 code on an Audi?
Symptoms may include engine hesitation, reduced performance, erratic transmission shifting, or the ABS warning light illuminated.
3. What causes the P1606 code on an Audi?
The code can be triggered by faulty ABS sensors, damaged wiring or connectors in the rough road signal circuit, or a malfunctioning engine control module (ECM).
4. Can a bad ABS sensor cause the P1606 code?
Yes, a faulty ABS sensor can disrupt the rough road signal, leading to the P1606 code.
5. How do you diagnose the P1606 code on an Audi?
Diagnosis typically involves scanning for additional codes, inspecting ABS sensors and wiring, and testing the signal output to the ECM.
6. Can I drive my Audi with the P1606 code active?
While the vehicle may still be drivable, performance issues and safety risks like impaired ABS operation may occur. Prompt repairs are recommended.
7. How is the P1606 code fixed on an Audi?
Repairs may include replacing faulty ABS sensors, repairing damaged wiring, or reprogramming or replacing the ECM if necessary.
8. Does the P1606 code affect engine or transmission performance?
Yes, the P1606 code can cause issues like erratic transmission behavior or reduced engine performance due to incorrect rough road signal data.
9. Will clearing the P1606 code fix the problem permanently?
Clearing the code may temporarily erase it, but the underlying issue must be addressed to prevent it from returning.
10. How much does it cost to repair the P1606 code on an Audi?
Repair costs vary depending on the cause, ranging from $50 for minor wiring repairs to over $1,000 for ECM replacement.
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