Vehicle Speed Sensor #1 Performance (Auto Trans)

P0501-VEHICLE SPEED SENSOR #1 PERFORMANCE (AUTO TRANS)

For a complete wiring diagram Refer to Diagrams/Electrical.

- When Monitored:

Engine running. Transmission not in park or neutral. Brakes not applied. Engine run time greater than 10 seconds.

- Set Condition:

The PCM does not see vehicle speed signal from the transmission control side of the PCM. Two Trip Fault.





Diagnostic Test

1. ACTIVE DTC

Ignition on, engine not running.

With a scan tool, read DTCs.

Is the DTC active at this time?

Yes

- Go To 2

No

- Refer to the INTERMITTENT CONDITION Diagnostic Procedure. Intermittent Condition
- Perform the POWERTRAIN VERIFICATION TEST. Powertrain Verification Test

2. TRANSMISSION DTC(S)

Turn the ignition on.

With the scan tool, check the Transmission DTCs.

Are there any Transmission DTCs present?

Yes

- Refer to the appropriate Transmission DTC.
- Perform the POWERTRAIN VERIFICATION TEST. Powertrain Verification Test

No

- Before continuing, check the PCM harness connector terminals for corrosion, damage, or terminal push out. Repair as necessary. Replace and program the Powertrain Module.
- Perform the POWERTRAIN VERIFICATION TEST. Powertrain Verification Test