Transmission Fluid Pressure Sensor/Switch E Circuit Range/Performance

Where it lives

For P0988, start at the sensor the description names.

Check these first

• A transmission fluid pressure sensor E that reads out of range
• A dirty sensor E port restricting pressure
• A short or open in the sensor E circuit
• Low transmission fluid
• A PCM misreading the sensor E signal

What to do next

1. Read transmission fluid pressure sensor E data on a scan tool
2. Check the fluid level and condition
3. Test the sensor E circuit
4. Compare sensor E pressure to a gauge
5. Replace the sensor if the reading drifts
6. Clear the code and retest

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