P1465 – Audi DTC

Audi DTC P1465 – Additive Pump Short Circuit to B+

DTC P1465 meaning on Audi

DTC P1465 on an Audi indicates a short circuit to the positive battery terminal (B+) in the additive pump. The additive pump is responsible for injecting a urea solution into the exhaust system to reduce emissions in vehicles equipped with selective catalytic reduction (SCR) systems.

Audi DTC P1465 symptoms

Symptoms of DTC P1465 in an Audi may include the illumination of the check engine light, reduced engine performance, and potential issues with the SCR system. The vehicle may also fail to meet emissions standards.

Audi DTC P1465 causes

The most common causes of DTC P1465 in an Audi are a short circuit in the wiring harness leading to the additive pump or a faulty additive pump itself. Corrosion or damage to the wiring can also lead to this fault code.

Audi DTC P1465 seriousness

DTC P1465 should be addressed promptly to ensure proper functioning of the SCR system and to prevent potential emissions-related issues. Ignoring this fault code can lead to increased emissions and may cause the vehicle to fail emissions tests.

How to diagnose DTC P1465 on Audi

To diagnose DTC P1465 on an Audi, a mechanic will typically use a diagnostic scanner to retrieve the fault code and perform a visual inspection of the wiring harness leading to the additive pump. They may also test the pump itself for proper operation and check for any signs of damage or corrosion.

How to fix DTC P1465 on Audi

Fixing DTC P1465 on an Audi involves repairing the short circuit in the wiring harness if present or replacing the faulty additive pump. The wiring should be inspected for any damage or corrosion and repaired as necessary. Once the issue is resolved, the fault code should be cleared from the vehicle’s memory.

How to erase DTC P1465 on Audi

To erase DTC P1465 on an Audi, a diagnostic scanner can be used to clear the fault code from the vehicle’s memory. After the repair has been completed and the issue causing the fault code has been resolved, the code can be cleared to turn off the check engine light and ensure proper operation of the vehicle.

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.