DT1 - Verify Operator Interaction

Diagnostic Trouble Code (DTC) 519 indicates Power Steering Pressure (PSP) sensor circuit is open. DTC 521 indicates a PSP sensor signal malfunction.

Possible causes:

- PSP sensor damaged.

- SIG RTN circuit open or shorted.

- VREF circuit open shorted.

- PSP sensor signal circuit open or shorted.

- Damaged Powertrain Control Module (PCM).

- For DTC 519, go directly to DT2. DT2 - Check VREF Circuit Voltage

- Did you turn the steering wheel at least one-half turn within one to two seconds after engine ID code?

Yes -- Go to DT2. DT2 - Check VREF Circuit Voltage

No -- Rerun Quick Test.Quick Test Appendix (Detailed Testing Instructions)