P0501-Vehicle Speed Sensor #1 Performance (Auto Trans) - Dodge 2004 Neon SX2 Diagnostic Manual

Symptom:
P0501-VEHICLE SPEED SENSOR #1 PERFORMANCE (AUTO
TRANS)
When Monitored and Set Condition:

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

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.
GOOD TRIP EQUAL TO ZERO
TRANSMISSION DTC(S)
PCM
TEST
1 NOTE: Ensure that the Pinion Factor has been programmed and the correct
tire size has been programmed in before continuing.
Ignition on, engine not running.
With the DRBIII , read PCM DTCs and record the related Freeze Frame data.
Is the Good Trip displayed and equal to zero?
Yes → Go To 2
→ Refer to the INTERMITTENT CONDITION symptom in the
No
2 Turn the ignition on.
With the DRBIII , check the Transmission DTCs.
Are there any Transmission DTCs present?
Yes → Refer to the appropriate Transmission DTC in the Transmission
→ NOTE: Before continuing, check the PCM harness connector
No
POSSIBLE CAUSES
ACTION
Driveability category.
Perform POWERTRAIN VERIFICATION TEST VER - 5 - NGC.
category.
Perform POWERTRAIN VERIFICATION TEST VER - 5 - NGC.
terminals for corrosion, damage, or terminal push out. Repair as
necessary. Replace and program the Powertrain Module in accor-
dance with the Service Information.
Perform POWERTRAIN VERIFICATION TEST VER - 5 - NGC.
DRIVEABILITY - NGC
187
APPLICABILITY
All
All