Symptoms of P2800 OBD II Trouble Code
- Malfunction Indicator Lamp (MIL) illumination with P2800 DTC code set
- The backup lights may fail to function
- It may be necessary to move the gearshift lever up and down slightly for a better contact to allow the starter to actuate and start the engine
- It may be impossible to actuate the starter
- In some cases, the engine will only start in neutral
- May start in any gear
- Irregular shift RPMs
- Drop in fuel economy
- The transmission may display a delayed engagement
- Toyota vehicles to include trucks may display erratic instrument readings
Common Causes of P2800 OBD II Trouble Code
- TRS "B" is loose and mal-adjusted
- Transmission range sensor "B" is defective
- Bad connector at the external TRS "B", either loose, corroded or bent pins
- Shorted wiring harness on the external sensor as a result of rubbing on the transmission linkage
- Blockage in the internal valve body TRS port or defective sensor