u1041 scp j1850 invalid or missing data for vehicle speed

OBD2 Code: U1041

Description: SCP (J1850) Invalid or Missing Data for Vehicle Speed

Definition: This code indicates that the vehicle’s communication network has detected a problem with the data being transmitted regarding the vehicle speed. The data may be invalid, corrupted, or not present.

U1041: SCP J1850 Invalid or Missing Data for Vehicle Speed
Severity: Moderate

Common Causes

U1041 SCP J1850 Invalid or Missing Data for Vehicle Speed

Common Causes:

– Faulty vehicle speed sensor
– Wiring issues such as shorts or opens in the circuit
– Communication errors on the SCP (Standard Corporate Protocol) or J1850 network bus

 

Common Misdiagnosis

OBD2 Code: U1041
Description: SCP (J1850) Invalid or Missing Data for Vehicle Speed
Common Misdiagnosis: Replacing the vehicle speed sensor without verifying the integrity of the wiring and connections.

 

Common Diagnostic Steps

OBD2 Code: U1041
Description: SCP (J1850) Invalid or Missing Data for Vehicle Speed

1. Check the vehicle’s speed sensor and wiring for any signs of damage or disconnection.
2. Inspect the connections at the PCM (Powertrain Control Module) and ensure they are secure.
3. Use a scan tool to check for any additional codes that may indicate related issues.
4. Test the vehicle speed sensor using a multimeter to verify it is functioning correctly.
5. Examine the CAN bus network for any faults or communication errors.
6. If necessary, update or reprogram the PCM with the latest software from the manufacturer.
7. Clear all codes after repairs and test drive the vehicle to ensure proper operation.