Sae P1XXX Diagnostic Trouble Codes
Fuel and Air ratios, control module
| DTC | Error Message | Diagnostic Procedure | Malfunction Criteria and Threshold Value | Secondary Parameters with Enable Conditions | Monitoring Time Length | Frequency of checks, MIL Illum. |
|---|---|---|---|---|---|---|
| P1026 | Activation intake manifold flap for air stream regulation Short circuit to B+ | -- Check the Intake Flap Motor -V157-. Refer to INTAKE FLAP MOTOR, CHECKING . | Short to battery positive | Output driver-ON state | 480 mSec |
|
| P1027 | Activation intake manifold flap for air stream regulation Short circuit to Ground (GND) | -- Check the Intake Flap Motor -V157-. Refer to INTAKE FLAP MOTOR, CHECKING . | Short to ground | Output driver-OFF state | 480 mSec | 2 DCY |
| P1028 | Activation intake manifold flap for air stream regulation Open circuit | -- Check the Intake Flap Motor -V157-. Refer to INTAKE FLAP MOTOR, CHECKING . | Open circuit | Output driver-OFF state | 480 mSec | 2 DCY |