P0850

Park/Neutral Switch Input Circuit

Severity

⚠️ Medium

Can you drive?

Yes, but get it checked soon

Approx. repair cost

$6–33 (est.)

Symptoms

Engine won't start
Check Engine Light Is On
Gear shifting problems
Incorrect selector lever position readings

Causes

Faulty park/neutral sensor
Open or short circuit in the circuit
Poor connections or corrosion
Wiring Harness Problems
Engine control unit (ECU) malfunction

How to Fix

Check the condition of the parking/neutral sensor
Check the integrity of the circuit and connection
Clean contacts from corrosion
Replace sensor if necessary
Check and replace wiring harness if damaged

Related codes

P0851 P0852 P0853