U1064 on 2004-2007 Chevrolet Malibu — Lost Communication With Body Control Module (Manufacturer-Specific)
1 vehicles · 1 makes · $300-$1,200 repair
Most Reported On
U1064 is an OBD-II diagnostic trouble code meaning “Lost Communication With Body Control Module (Manufacturer-Specific).” U1064 is a manufacturer-specific network code that, on GM-family vehicles, indicates a module has lost serial-data communication with the Body Control Module (BCM). Each module is expected to send periodic 'I'm alive' messages, and when those messages stop arriving from the BCM for several seconds the code sets. Because the BCM controls many body and convenience functions, losing it can cause a range of electrical and feature problems. This code is most commonly reported on 2004-2007 Chevrolet Malibu, with repair costs ranging from $300 to $1,200.
Common Causes
Typical Repair Cost
Based on 1 documented vehicle-specific issues. Actual cost depends on root cause and vehicle.
Diagnostic Tools
To diagnose U1064, you'll need an OBD-II scanner. Here are our recommendations at every price point.
ANCEL AD310 Classic OBD-II Scanner
by ANCEL
A simple, affordable code reader that reads and clears check engine codes. Great for quick diagnostics on any OBD-II vehicle (1996+).
- Read & clear engine codes
- View freeze frame data
- I/M readiness status
- No batteries or app needed
BlueDriver Pro Bluetooth Scanner
by BlueDriver
Bluetooth OBD-II scanner with a free companion app. Provides enhanced diagnostics, smog readiness, and repair reports sourced from a database of verified fixes.
- Enhanced diagnostics (ABS, SRS, transmission)
- Repair Reports with verified fixes
- Smog check readiness
- Free app (iOS & Android)
LAUNCH CRP123X OBD-II Scanner
by LAUNCH
A professional-grade handheld scanner that reads all four major systems (engine, transmission, ABS, SRS) with live data streaming and graphing.
- Engine, transmission, ABS, SRS diagnostics
- Live data stream & graphing
- AutoVIN for vehicle identification
- Free lifetime updates via Wi-Fi
Autel MaxiCOM MK808S Diagnostic Tool
by Autel
Shop-level diagnostic tablet with bi-directional control, active tests, and full system coverage. Ideal for serious DIYers and small shops.
- All-system diagnostics (25+ modules)
- Bi-directional control & active tests
- Oil reset, EPB, BMS, TPMS, injector coding
- 7-inch touchscreen with Android OS
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FAQ
What does U1064 mean?
U1064 stands for "Lost Communication With Body Control Module (Manufacturer-Specific)." U1064 is a manufacturer-specific network code that, on GM-family vehicles, indicates a module has lost serial-data communication with the Body Control Module (BCM). Each module is expected to send periodic 'I'm alive' messages, and when those messages stop arriving from the BCM for several seconds the code sets. Because the BCM controls many body and convenience functions, losing it can cause a range of electrical and feature problems.
What are the most common causes of U1064?
The most common causes of U1064 are: Corroded or loose BCM ground connection, Damaged Class 2 / data bus wire (chafed, pinched, broken), Faulty Body Control Module, Loose or corroded BCM connector pins, Low or unstable battery voltage, Water intrusion at connectors or module, Blown fuse feeding the BCM. The specific cause varies by vehicle.
How much does it cost to fix U1064?
Repair costs for U1064 range from $300 to $1,200, depending on the vehicle and root cause.
Which vehicles are affected by U1064?
Au7o has documented U1064 across 1 vehicle models from 1 manufacturers: Chevrolet.
Content compiled with AI assistance using NHTSA complaints, TSBs, and owner reports. May contain errors. Always verify with your vehicle's service manual.