DTC U0293 Cadillac
HECU Fault
HECU Fault
Description
Enable Conditions: Case 1: The test actuates all valves in series to detect shorts or shunts between the valve lines. Faults are detected if there is an error during the test. Case 2: The drift test is executed only once during an ignition Cycle. If it detects partly shorted valve coils, almost inoperative coils or malfunction of the valve driver, a failure is recognized.
Cause and Solution
Faulty HECU
Video Guide
Diagnostic Info
- DTC Code: U0293
- Brand: Cadillac