Diagnostic Aids

WARNING: This page is about a different car, the 2008 Cadillac CTS. However, it is still accessible from the selected car via links, so may be relevant.

Test the current output of the signal circuit if you suspect high resistance in the circuit. The current output should be greater than 1 mA when measured on the 400 mA scale.
The following conditions can also set the DTC:
- Physical damage to the CMP sensor or the reluctor wheel
- Excessive play or looseness of the CMP sensor or the reluctor wheel
- Improper installation of the CMP sensor or the reluctor wheel
- Foreign material passing between the CMP sensor and the reluctor wheel
- Excessive air gap between the CMP sensor and the reluctor wheel