DTC P0021 Lincoln
Class 2 Data Link Low
Class 2 Data Link Low
Description
Conditions for Setting the DTC. No valid messages are detected on the class 2 serial data circuit. The voltage level detected on the class 2 serial data circuit is low. The above conditions are met for approximately three seconds.
Cause and Solution
This DTC cannot be retreived with a current status. Diagnosis of a current U1300 is accomplished via the symptom, Scan Tool Does Not Communicate With Components.An interrmittent condition is likely to be caused by a short to ground on the class 2 s
Video Guide
Diagnostic Info
- DTC Code: P0021
- Brand: Lincoln