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OBD-II code · manufacturer-specific

P1808

Transmission Clutch Interlock Safety Switch Short Circuit To Ground

System
P1 — Powertrain (manufacturer-specific)
Severity
Minor (2/5)
Can I keep driving?
Usually safe to drive
01

What does P1808 mean?

P1808 is defined as “Transmission Clutch Interlock Safety Switch Short Circuit To Ground”.

You can usually keep driving, but have it checked soon so a small fault doesn’t become a bigger one.

02

Manufacturer-specific meanings

The same code can mean something different on some makes.

  • Ford, Lincoln, Mercury: Transmission 4-Wheel Drive Low Indicator Circuit Failure
03

Related codes

04

Look up another code

This page is general information; an exact diagnosis needs measurements and a technician’s check.