Powertrain
generic / SAE
P2804
Transmission Range Sensor B Circuit Intermittent
The range sensor B signal drops out intermittently. Loose connector or vibration-sensitive solder joint.
SystemPowertrain
Typegeneric / SAE
GroupP2
Range / number8 / 04
Possible causes
- Sensor connector not seated high
- Harness chafing intermittently grounds the wire medium
- Connector with intermittent contact under vibration low
Symptoms
- Check engine or transmission warning light on
- Harsh, delayed, or missing shifts
- Possible limp mode (locked in one gear)
- Slipping or shuddering during gear changes
Inspection / repair
- Difficulty: medium
- DIY: shop recommended
- Estimated cost: 200–1000 €
- Estimated time: 1–4 h
- Component: transmission range sensor b
- Component: wiring harness
- Component: tcm
- MIL / check engine light
- limp mode possible
Sources
References
sae:J2012