What Does U1190 Mean?
Another distinct module identified by its Primary ID is experiencing communication issues on the SCP network. This is a third separate module fault from U1188 and U1189.
Common Causes
35%
Specific control module failure or programming corruption
30%
Network wiring harness chafed or damaged at common failure points
25%
Water intrusion or corrosion in module or connectors
10%
Faulty terminating resistor on network bus
Diagnostic Steps
1
Step 1: Identify the specific module by Primary ID using factory scan tool or service information
2
Step 2: Physically locate and inspect the identified module and its connectors
3
Step 3: Check for Technical Service Bulletins related to this specific module communication fault
4
Step 4: Measure voltage and continuity on all pins of the module connector
5
Step 5: Attempt module reset or reflash if module has power and ground but won't communicate
Estimated Repair Cost
$150 - $1,200
Parts + labor, varies by vehicle and location
Another distinct module identified by its Primary ID is experiencing communication issues on the SCP network. This is a third separate module fault from U1188 and U1189.
The most common cause of U1190 (SCP (J1850) Invalid or Missing Data for Primary Id) is: Specific control module failure or programming corruption
Typical repair costs for U1190 range from $150 to $1,200, depending on the vehicle, location, and whether you do it yourself or go to a shop.
Multiple network faults may result in disabled safety systems or unexpected vehicle behavior. Professional diagnosis is strongly recommended.
Start by connecting an OBD2 scanner to read the code and any freeze frame data. Then follow the diagnostic steps specific to U1190 to identify the root cause.
OBDHut Mobile App
Scan codes directly from your car with the OBDHut app.
Coming Soon
Quick Info
Category
Network
System
Network Communication
Difficulty
Type
Manufacturer
Recommended Tools
OBD2 Scanner
A quality scan tool helps you read codes, view live data, and clear faults.
