OBD-II code · Powertrain (generic, extended)
P2801 Transmission Range Sensor B Circuit Range/Performance
Range sensor B reports a position that does not match other plausibility checks. Mechanical alignment off or sensor contacts intermittent.
Is it safe to drive with P2801?
The car may go into limp mode (reduced power). Get it diagnosed before a long trip.
Common causes
- Most likelySensor mechanically misadjusted
- PossibleContacts dirty or oxidised
- Less likelySensor element aged beyond calibration window
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
Repair at a glance
- Difficulty
- Medium
- DIY friendly
- Best left to a mechanic
- Typical labour
- 1–4 h
- Emissions test
- Usually unaffected
- Parts involved
- Transmission Range Sensor B, Wiring Harness, Tcm
Related codes
- P27F4Gear Shift Lock Solenoid/Actuator A Performance/Stuck On
- P27F5Gear Shift Lock Solenoid/Actuator A Stuck Off
- P2800Transmission Range Sensor B Circuit (PRNDL Input)
- P2802Transmission Range Sensor B Circuit Low
- P2803Transmission Range Sensor B Circuit High
- P2804Transmission Range Sensor B Circuit Intermittent
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.