P2802

Transmission Range Sensor B Circuit Low

Severity

⚠️ Medium

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$28–89 (est.)

Symptoms

Incorrect display of gear selector position on the instrument panel
Gear shifting problems
The car does not start in the 'Parking' or 'Neutral' position
Activating transmission emergency mode
Illumination of the fault warning lamp (Check Engine)

Causes

Broken or damaged wiring in the sensor circuit
Poor contact in sensor connectors
Malfunction of the transmission range sensor itself
Short circuit to ground in the sensor circuit
Problems with the transmission control unit

How to Fix

Visual inspection of the sensor wiring and connectors for damage
Checking the resistance and continuity of the sensor circuit
Checking sensor signals using a scanner or oscilloscope
Replacing a faulty transmission range sensor if necessary
Checking and flashing the transmission control unit

Related codes

P2800 P2801 P2803