The P0374 trouble code is associated with Timing Reference High Resolution Signal “A” No Pulses, indicating that there are no pulses detected in the high-resolution signal from the timing reference.
Timing Reference High Resolution Signal “A” No Pulses
Code symptoms P0374.
1. Illuminated “Check Engine” or “Service Engine Soon” light on the dashboard.
2. Engine may not start.
3. Irregular engine operation.
This code is common in brands such as:: Chevrolet, Renault, Ford, Toyota, Nissan, Mercedes Benz, Honda.
Causes of the code P0374.
1. Absence of pulses in the timing reference high-resolution signal A.
2. Wiring or connection issues in the timing reference circuit.
3. Problems with the Engine Control Module (ECM).
Code Solutions P0374.
1. Inspect and, if necessary, replace the component responsible for the timing reference high-resolution signal A.
2. Check for any faults or damages in the wiring or connections of the timing reference circuit.
3. If ECM issues are suspected, consult a qualified technician for diagnosis and potential reprogramming or replacement.