What Does U1141 Mean?
Similar to U1140, this indicates invalid or missing data from the gateway module on the SCP J1850 network. This represents a different message ID or data stream from the gateway that is not being received properly.
Common Causes
38%
Defective body control module or gateway module
25%
Network bus termination resistor failure
22%
Intermittent connection in gateway module connector
15%
SCP bus short to ground or power
Diagnostic Steps
1
Step 1: Check network bus termination resistance at both ends (should measure 50-70 ohms total)
2
Step 2: Wiggle test gateway module connector while monitoring for code setting to identify intermittent connections
3
Step 3: Disconnect gateway module and inspect connector terminals for spreading, corrosion, or damage
4
Step 4: Use oscilloscope to view SCP bus signal quality if available (should see clean square wave pulses)
5
Step 5: Replace gateway module if all wiring and connections test good
Estimated Repair Cost
$180 - $1,100
Parts + labor, varies by vehicle and location
Similar to U1140, this indicates invalid or missing data from the gateway module on the SCP J1850 network. This represents a different message ID or data stream from the gateway that is not being received properly.
The most common cause of U1141 (SCP (J1850) Invalid or Missing Data for Gateway) is: Defective body control module or gateway module
Typical repair costs for U1141 range from $180 to $1,100, depending on the vehicle, location, and whether you do it yourself or go to a shop.
Can result in multiple system malfunctions including inoperative accessories or erratic gauge behavior. Vehicle is usually safe to drive short distances.
Start by connecting an OBD2 scanner to read the code and any freeze frame data. Then follow the diagnostic steps specific to U1141 to identify the root cause.
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Quick Info
Category
Network
System
Communication Network
Difficulty
Type
Manufacturer
Recommended Tools
OBD2 Scanner
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