Circuit/System Verification
WARNING: This page is about a different car, the 2018 Cadillac CTS. However, it is still accessible from the selected car via links, so may be relevant.
- Ignition ON.
- Verify DTC B124E 4A is not set.
- If the DTC is set
Clear DTC and attempt to reprogram the K161 Performance Data Recorder with the latest software via Service Programming System (SPS).
- Verify programming event was successful and DTC B124E 4A does not reset
- If the programming was not successful or DTC is set
Replace the X20 Memory Card Receptacle.
- Go to next step: If the programming was successful and DTC did not set
- If the programming was not successful or DTC is set
- If the DTC is set
- All OK.
NOTE:
This DTC may be set due to the connection of an incompatible or faulty USB device. Verify proper USB harness connections are secure and that customer is using a known good SD card prior to proceeding with the verification.