P2533
DTC P2533CIRCUIT DESCRIPTION
The engine control module (ECM) receives the ignition 1 signal with the ignition ON. The ECM receives this signal through the ignition 1 voltage circuit from the RUN/CRANK relay. The RUN/CRANK relay is controlled by the body control module (BCM). The RUN/CRANK relay supplies power to several components when in the RUN or CRANK power mode. If the ECM detects an improper ignition 1 voltage signal, DTC P2533 will set.
CONDITIONS FOR RUNNING THE DTC
The ignition is ON.
CONDITIONS FOR SETTING THE DTC
- The ECM detects an improper ignition 1 voltage input in the CRANK power mode.
- The condition exists for more than 3 seconds.
ACTION TAKEN WHEN THE DTC SETS
- The ECM will not illuminate the malfunction indicator lamp (MIL).
- The ECM will store conditions which were present when the DTC set as Fail Records only.
CONDITIONS FOR CLEARING THE DTC
- The history DTC will clear after 40 consecutive warm-up cycles have occurred without a malfunction.
- The DTC can be cleared by using the scan tool Clear DTC Information function.
TEST
