u1105 invalid or missing data for chassis status request

OBD2 Code: U1105

Description: Invalid or Missing Data for Chassis Status Request

Definition: This code indicates that the vehicle’s control module has detected a problem with the communication between modules, specifically related to the chassis status request. The data being sent is either invalid or missing, which can affect vehicle performance and diagnostics.

: Invalid or missing data for chassis status request
Severity: Medium

Common Causes

Common causes:
– Faulty chassis control module
– Wiring issues between the chassis control module and other components
– Communication bus issues
– Software glitches in the chassis control module

Common Misdiagnosis

OBD2 Code: U1105
Description: Invalid or Missing Data for Chassis Status Request
Common Misdiagnosis: Faulty wiring or connectors, assuming the issue is with the chassis control module without checking communication lines.

Common Diagnostic Steps

OBD2 Code: U1105
Description: Invalid or Missing Data for Chassis Status Request
Common Diagnostic Steps:

1. Verify the code is active by using an OBD2 scanner.
2. Inspect the vehicle’s wiring and connectors related to the chassis control module for any signs of damage, corrosion, or disconnection.
3. Check for other stored codes that might indicate a communication issue with other modules.
4. Test the battery voltage and charging system to ensure proper power supply to all modules.
5. Use a multimeter to check continuity in the CAN bus lines between the chassis control module and other related modules.
6. If equipped, update or reprogram the chassis control module software as per manufacturer guidelines.
7. If necessary, replace faulty components such as sensors or modules identified during testing.