What Does U1163 Mean?
Additional communication error with the Digital Audio Tape module, often appearing alongside U1162. Indicates persistent or multiple data transmission failures from the DAT player.
Common Causes
45%
Completely failed DAT player module
25%
Intermittent connection at DAT module connector
20%
SCP bus wiring short or open near DAT module
7%
Poor power supply to entertainment system
3%
Module programming corruption
Diagnostic Steps
1
Step 1: Wiggle test DAT module connector while monitoring network communication on scan tool
2
Step 2: Backprobe SCP bus wires at DAT connector and verify signal integrity with oscilloscope
3
Step 3: Check for voltage drop on power and ground circuits to DAT module
4
Step 4: Disconnect DAT module and check if other network codes clear
5
Step 5: Replace or reprogram DAT module if all circuits test good
Estimated Repair Cost
$100 - $600
Parts + labor, varies by vehicle and location
Additional communication error with the Digital Audio Tape module, often appearing alongside U1162. Indicates persistent or multiple data transmission failures from the DAT player.
The most common cause of U1163 (SCP (J1850) Invalid or Missing Data for Digital Audio Tape) is: Completely failed DAT player module
Typical repair costs for U1163 range from $100 to $600, depending on the vehicle, location, and whether you do it yourself or go to a shop.
No safety concerns. Entertainment system malfunction only. Vehicle operates normally otherwise.
Start by connecting an OBD2 scanner to read the code and any freeze frame data. Then follow the diagnostic steps specific to U1163 to identify the root cause.
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Quick Info
Category
Network
System
Entertainment System
Difficulty
Type
Manufacturer
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