P1216 – Audi DTC

Audi DTC P1216 – Cylinder 4 – Fuel Injector Circuit Short to B+

DTC P1216 meaning on Audi

DTC P1216 on an Audi indicates a fault with the fuel injector circuit for cylinder 4. Specifically, it signifies a short circuit to B+ (battery positive) within the fuel injector circuit of cylinder 4.

Audi DTC P1216 symptoms

Symptoms of DTC P1216 on an Audi may include rough idling, misfires, decreased engine performance, poor fuel efficiency, and potentially an illuminated check engine light on the dashboard.

Audi DTC P1216 causes

The common causes of DTC P1216 on an Audi include a faulty fuel injector for cylinder 4, damaged wiring or connectors in the fuel injector circuit, or a problem with the Engine Control Module (ECM).

Audi DTC P1216 seriousness

Ignoring DTC P1216 on an Audi can lead to engine performance issues, potential damage to the catalytic converter, and increased emissions. It is recommended to address this issue promptly to prevent further complications.

How to diagnose DTC P1216 on Audi

To diagnose DTC P1216 on an Audi, a mechanic would typically perform a visual inspection of the fuel injector and its wiring, conduct a thorough check of the fuel injector circuit for cylinder 4, and use a diagnostic scanner to retrieve specific fault codes related to the issue.

How to fix DTC P1216 on Audi

Fixing DTC P1216 on an Audi involves identifying the root cause of the issue, which could be a faulty fuel injector, damaged wiring, or a malfunctioning ECM. The recommended steps include replacing the faulty fuel injector, repairing any damaged wiring or connectors, and addressing any ECM issues.

How to erase DTC P1216 on Audi

Once the underlying issue causing DTC P1216 on an Audi has been resolved, the fault code can be erased using a diagnostic scanner. By clearing the code, the check engine light should turn off, indicating that the problem has been successfully addressed.

Recommended tools for Audi diagnostics

Explore our expert picks: The Best OBD2 Scanners for 2025

Easy-to-use Multimeter for reliable diagnostics: AstroAI Auto-ranging Multimeter

Some of the links on this page may be affiliate links, which means we may earn a small commission if you make a purchase. This helps us keep our DTC database up to date and provide valuable content for free. We only recommend products that we have tested and believe to be the best in their class.