Pinpoint Test R: DTC C1998 - MODULE CALIBRATION NOT COMPLETE

WARNING: This page is about a different car, the 2005 Lincoln LS. However, it is still accessible from the selected car via links, so may be relevant.

NOTE: The Advance Trac®/IVD lamp will flash when a system calibration is required. Calibration is required after certain DTCs are cleared.

NOTE: Make sure the vehicle is not on a hoist and is sitting on level ground before performing stability assist module calibration.

R1 CHECK FOR DTCs
- Connect the diagnostic tool.
- Key in ON position.
- Retrieve DTCs.
- Is any other DTC retrieved with C1998?
- Yes : GO to the appropriate pinpoint test for the DTC.
  Some of the pinpoint tests recommend IVD calibration prior to any further diagnostics, in this case, GO to R2.
- No : GO to R2.
R2 ADVANCE Trac®/IVD CALIBRATION
- Connect the diagnostic tool.
- Key in ON position.
- With the engine running carry out the Advance Trac®/IVD calibration per the diagnostic tool instructions.
- Did calibration complete for all IVD sensors? And did the Advance Trac®/IVD lamp stop flashing and go off?
- Yes : GO to R3.
- No : GO to R4.
Some concerns will cause a calibration not complete. If sent here from another pinpoint test, return to that pinpoint test for further diagnostics.
R3 CLEAR DTC C1998
NOTE: Clear DTC C1998 after completing the calibration.
- Connect the diagnostic tool.
- Key in ON position.
- Clear the DTC.
- Did the DTC clear?
- Yes : TEST DRIVE the vehicle. REPEAT the self-test.
  If sent here from another pinpoint test, return to that pinpoint test for further diagnostics.
- No : GO to R4.
R4 MONITOR THE STEERING POSITION SENSOR PIDS
- Key in ON position.
- Monitor the anti-lock brake system (ABS) module steering position sensor PIDS while rotating the steering wheel clockwise and counterclockwise.
- Are the 2 steering position sensor PID values switching as the wheel rotates?
- Yes : GO to PINPOINT TEST H .
- No : GO to PINPOINT TEST G .