U0159: Lost Communication With Parking Assist Control Module A

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 U0159 Mean?

U0159 is a diagnostic trouble code indicating: Lost Communication With Parking Assist Control Module A. 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 U0159

⚠️ Check Engine Light (MIL) illuminated
⚠️ No communication with Parking Assist Control Module A
⚠️ 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 Parking Assist Control Module A
🔍 Power or ground supply issue to Parking Assist Control Module A
🔍 Parking Assist Control Module A internal failure
🔍 Water intrusion damaging module or connectors
🔍 CAN bus termination resistor fault

Frequently Asked Questions

What does U0159 mean?

U0159 indicates: Lost Communication With Parking Assist Control Module A. The vehicle's computer has detected that the Parking Assist Control Module A is not operating within its expected parameters and stored this diagnostic trouble code.

Can I drive with code U0159?

You can drive short distances for essential trips, but schedule a diagnosis soon. Driving with U0159 for extended periods may cause additional problems.

How much does it cost to fix U0159?

Repair costs for U0159 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 Parking Assist Control Module A for damage
🔧 Check power and ground supply to Parking Assist Control Module A
🔧 Replace failed Parking Assist Control Module A

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.

Related Codes

B0130 A/V Sensor Washer Fluid B Control Circuit B0131 A/V Sensor Washer Fluid C Control Circuit B0132 A/V Sensor Washer Fluid D Control Circuit B0133 A/V Sensor Washer Fluid E Control Circuit B0134 A/V Sensor Washer Fluid F Control Circuit P0130 O2 Sensor Circuit Bank 1 Sensor 1 P0131 O2 Sensor Circuit Low Voltage Bank 1 Sensor 1 P0132 O2 Sensor Circuit High Voltage Bank 1 Sensor 1