What does code P1693 mean?

Q: What does code P1693 mean?

MIL Short To B+. P1693 on Volkswagen vehicles means the engine control module has detected a short to battery voltage on the circuit that drives the malfunction indicator lamp, which is the check engine light itself. The module monitors the lamp control wire and flags this code when that wire is seeing constant positive voltage instead of the switched ground it expects to pulse the bulb.

DTC codes / Volkswagen codes / P1693

P1693 · VolkswagenMIL Short To B+

P1693 on Volkswagen vehicles means the engine control module has detected a short to battery voltage on the circuit that drives the malfunction indicator lamp, which is the check engine light itself. The module monitors the lamp control wire and flags this code when that wire is seeing constant positive voltage instead of the switched ground it expects to pulse the bulb.

SystemPowertrain

Code typeVolkswagen specific

SeverityMedium

Fix difficultyProfessional

AreaComputer and output circuits

Guidance is general and written for Volkswagen vehicles. Exact tests and values vary by model, so confirm the fault before replacing parts.