Pinpoint Test R: DTC C1998 - Module Calibration Not Complete
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?
NOTE: Be sure to rotate the steering wheel lock-to-lock during the calibration of the ABS system.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 .