DTC P3400 Cadillac
Cylinder Deactivation System Performance
Cylinder Deactivation System Performance
Description
DTCs P0102, P0103, P0107, P0108, P0112, P0113, P0117, P0119, P0335, and P0336 are not set. The engine speed is between 450-6,400 RPM. The IAT Sensor parameter is between -7 and +125°C (+19 and +257°F). The ECT Sensor parameter is between 70- 125°C (158-257°F). Time in V8 mode is more than 2 seconds. Time in V4 mode is more than 2 seconds. This DTC runs continuously within the enabling conditions.
Cause and Solution
The ECM detects that the actual measured values from the MAF sensor, MAP sensor, and throttle position sensor, are not within the range of the calculated values for V4 mode.
Video Guide
Diagnostic Info
- DTC Code: P3400
- Brand: Cadillac