u1133 scp j1850 invalid or missing data for vehicle motion
OBD2 Code: U1133
Description: SCP (J1850) Invalid or Missing Data for Vehicle Motion
Definition: This code indicates that there is a communication issue on the SCP (Standard Corporate Protocol) network, specifically related to invalid or missing data concerning vehicle motion. The SCP network uses the J1850 protocol for communication between various modules in the vehicle.
U1133 SCP J1850 Invalid or Missing Data for Vehicle Motion
– Severity: Moderate
Common Causes
U1133 – SCP J1850 Invalid or Missing Data for Vehicle Motion
Common Causes:
- Faulty vehicle speed sensor
- Wiring issues in the vehicle speed sensor circuit
- Communication error between modules on the SCP (Standard Corporate Protocol) or J1850 network
- Defective PCM (Powertrain Control Module)
Common Misdiagnosis
OBD2 Code: U1133
Description: SCP (J1850) Invalid or Missing Data for Vehicle Motion
Common Misdiagnosis: Faulty vehicle speed sensor, wiring issues, or a malfunctioning PCM (Powertrain Control Module).
Common Diagnostic Steps
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OBD2 Code: U1133
Description: SCP (J1850) Invalid or Missing Data for Vehicle Motion
- Check the vehicle’s battery and charging system for proper voltage levels.
- Inspect all related wiring harnesses and connectors for signs of damage, corrosion, or disconnection.
- Use a scan tool to check for any additional trouble codes that may be present.
- Verify the integrity of the SCP (J1850) communication network by checking continuity and resistance in the circuit.
- Test the relevant sensors and modules involved in vehicle motion data transmission for proper operation.
- If necessary, update or reprogram the vehicle’s control module software to ensure compatibility with current standards.
- Consult technical service bulletins (TSBs) specific to your vehicle model for known issues related to this code.