What Does U1165 Mean?
Secondary communication fault with the radio tuner/receiver, typically appearing with U1164. Indicates severe or multiple communication failures from the radio module.
Common Causes
45%
Defective radio module requiring replacement
25%
Incompatible aftermarket radio lacking proper network interface
15%
Corroded or damaged radio wiring harness
10%
Failed radio amplifier module
5%
Software version mismatch after radio replacement
Diagnostic Steps
1
Step 1: Confirm radio part number matches vehicle application and year
2
Step 2: Remove radio and inspect rear connector for bent pins or corrosion
3
Step 3: Test continuity of SCP bus wires from radio connector to BCM
4
Step 4: Disconnect radio and monitor if network codes clear with other modules communicating
5
Step 5: Replace radio module and perform network configuration/programming
Estimated Repair Cost
$150 - $800
Parts + labor, varies by vehicle and location
Secondary communication fault with the radio tuner/receiver, typically appearing with U1164. Indicates severe or multiple communication failures from the radio module.
The most common cause of U1165 (SCP (J1850) Invalid or Missing Data for Tuner / Receiver) is: Defective radio module requiring replacement
Typical repair costs for U1165 range from $150 to $800, depending on the vehicle, location, and whether you do it yourself or go to a shop.
No safety concerns. Entertainment system inoperative only. All safety-critical systems remain functional.
Start by connecting an OBD2 scanner to read the code and any freeze frame data. Then follow the diagnostic steps specific to U1165 to identify the root cause.
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Quick Info
Category
Network
System
Entertainment System
Difficulty
Type
Manufacturer
Recommended Tools
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