What Does U0597 Mean?
The control module receiving data from the AC to DC converter control module 'A' has detected invalid or implausible data on the vehicle communication network. This converter manages power conversion from alternating current to direct current for battery charging and accessory power in electric and hybrid vehicles.
Common Causes
35%
AC to DC converter control module 'A' internal failure or corrupted software
30%
Damaged wiring harness or corroded connectors at converter module
20%
Failed voltage or current sensor providing invalid feedback data
10%
Poor power supply or ground circuit at converter control module
5%
CAN bus network communication fault or bus termination issue
Diagnostic Steps
1
Step 1: Review live data from AC to DC converter module 'A' and identify which parameters show invalid or out-of-range readings
2
Step 2: Inspect all electrical connections at AC to DC converter module for corrosion, damage, or loose pins
3
Step 3: Test voltage supply and ground circuits to converter control module using multimeter and wiring diagrams
4
Step 4: Check input/output voltage and current sensors for proper operation and signal integrity
5
Step 5: Perform software update on converter module; replace AC to DC converter control module 'A' if data remains invalid
Estimated Repair Cost
$900 - $3,500
Parts + labor, varies by vehicle and location
The control module receiving data from the AC to DC converter control module 'A' has detected invalid or implausible data on the vehicle communication network. This converter manages power conversion from alternating current to direct current for battery charging and accessory power in electric and ...
The most common cause of U0597 (Invalid Data Received From AC to DC Converter Control Module "A") is: AC to DC converter control module 'A' internal failure or corrupted software
Typical repair costs for U0597 range from $900 to $3,500, depending on the vehicle, location, and whether you do it yourself or go to a shop.
Vehicle may not charge properly or charging may be significantly slower. High-voltage system work requires specialized training and safety equipment.
Start by connecting an OBD2 scanner to read the code and any freeze frame data. Then follow the diagnostic steps specific to U0597 to identify the root cause.
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Quick Info
Category
Network
System
Electric Vehicle Charging/DC Power System
Difficulty
Type
Generic (SAE)
Recommended Tools
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