garajizOBD-II code · manufacturer-specific
U1121
SCP (J1850) Invalid or Missing Data for Primary Id
- System
- U — In-vehicle network
- Severity
- Moderate (3/5)
- Can I keep driving?
- Drive with caution
What does U1121 mean?
U1121 is defined as “SCP (J1850) Invalid or Missing Data for Primary Id”.
Drive gently and only as far as you need to; have it checked as soon as possible.
Manufacturer-specific meanings
The same code can mean something different on some makes.
- Kia: Lost Communication With Electric Stability Program Module
Related codes
- U1120SCP (J1850) Invalid or Missing Data for Primary Id
- U1122SCP (J1850) Invalid or Missing Data for Odometer
- U1119SCP (J1850) Invalid or Missing Data for Primary Id
- U1123SCP (J1850) Invalid or Missing Data for Odometer
- U1118SCP (J1850) Invalid or Missing Data for Primary Id
- U1124SCP (J1850) Invalid or Missing Data for Primary Id
Look up another code
This page is general information; an exact diagnosis needs measurements and a technician’s check.