u1137 scp j1850 invalid or missing data for telltales
OBD2 Code: U1137
Description: SCP (J1850) Invalid or Missing Data for Telltales
Definition: This code indicates that there is a communication issue on the SCP (J1850) bus, specifically related to the transmission of data for telltale indicators. The system has detected either invalid data or a lack of data being communicated between modules.
U1137 – SCP J1850 Invalid or Missing Data for Telltales
Severity: Moderate
Common Causes
U1137 SCP J1850 Invalid or Missing Data for Telltales
Common Causes:
- Faulty instrument cluster module
- Wiring issues between the instrument cluster and other modules
- Communication bus problems
- Software glitches in the vehicle’s network
Common Misdiagnosis
OBD2 Code: U1137
Description: SCP J1850 Invalid or Missing Data for Telltales
Common Misdiagnosis: Faulty instrument cluster, wiring issues, or a malfunctioning control module.
Common Diagnostic Steps
OBD2 Code: U1137
Description: SCP (J1850) Invalid or Missing Data for Telltales
- Check the vehicle’s battery voltage and ensure it is within the specified range.
- Inspect all related wiring and connectors for signs of damage, corrosion, or disconnection.
- Use a scan tool to check for any additional codes that may indicate a communication issue.
- Verify the integrity of the SCP (J1850) network by checking resistance values with an ohmmeter.
- If equipped, inspect the instrument cluster and other modules on the network for proper operation.
- Update or reprogram any control modules if necessary using manufacturer-specific procedures.
- If no faults are found in wiring or modules, consider replacing suspect components as per diagnostic flowchart guidance from service manual.