U0160: Lost Communication With Audible Alert Control Module

Severity

Medium

System

Network Communication

Last reviewed: Jan 1, 0001 Last updated: Jan 1, 0001

Methodology: We combine code standards with complaint and reliability patterns, then review for clear, vehicle-first diagnosis steps.

Sources: SAE/OBD-II definitions, manufacturer service information, and public reliability reports (including NHTSA where applicable).

Limits: Guidance is informational and may not match every model-year or revision. Confirm with the official manual and diagnostics before replacing parts. For safety-critical or electrical work, use a qualified technician.

What Does U0160 Mean?

U0160 is a diagnostic trouble code indicating: Lost Communication With Audible Alert Control Module. This code relates to the network communication system. The vehicle's computer detected a condition outside normal operating parameters and stored this code.

Symptoms of U0160

⚠️ Check Engine Light (MIL) illuminated
⚠️ No communication with Audible Alert Control Module
⚠️ Multiple warning lights may illuminate simultaneously
⚠️ Related system completely inoperative
⚠️ Multiple warning lights on dashboard

Common Causes

🔍 CAN bus wiring fault (open or shorted) to Audible Alert Control Module
🔍 Power or ground supply issue to Audible Alert Control Module
🔍 Audible Alert Control Module internal failure
🔍 Water intrusion damaging module or connectors
🔍 CAN bus termination resistor fault

Frequently Asked Questions

What does U0160 mean?

U0160 indicates: Lost Communication With Audible Alert Control Module. The vehicle's computer has detected that the Audible Alert Control Module is not operating within its expected parameters and stored this diagnostic trouble code.

Can I drive with code U0160?

You can drive short distances for essential trips, but schedule a diagnosis soon. Driving with U0160 for extended periods may cause additional problems.

How much does it cost to fix U0160?

Repair costs for U0160 typically range from $80 to $1200, depending on the root cause. Simple wiring or connector repairs are on the lower end, while component replacement costs more. A proper diagnosis ($80–$150 at most shops) will identify the exact cause before committing to expensive parts.

What To Do Next

Possible Fixes

🔧 Inspect CAN bus wiring to Audible Alert Control Module for damage
🔧 Check power and ground supply to Audible Alert Control Module
🔧 Replace failed Audible Alert Control Module

1
Find your vehicle above
Click your make and model for real owner reports and common causes specific to your vehicle.
2
Check for recalls
Go to nhtsa.gov/recalls and enter your VIN. Free repairs if covered.
3
Get a professional diagnosis
A code alone doesn't identify the exact failed part. A diagnostic ($50–$150) pinpoints the root cause.

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