A P0260 code on your 2019 Audi A6 indicates an intermittent fault in the injection pump rotor position sensor circuit. Audi offers both diesel and gasoline A6 variants, making engine identification essential for proper diagnosis.
2019 A6 Engine Options
The 2019 Audi A6 is available with the 3.0L TFSI V6 gasoline engine in North America. The A6 TDI with the 3.0L diesel is available in European and other markets. This code directly applies to diesel injection systems. North American gasoline models wouldn't normally generate this code.
For TDI A6 Models
On diesel A6s, P0260 indicates the injection pump position sensor signal is cutting in and out. Causes include a failing sensor with temperature-related intermittent function, wiring with broken strands making partial contact, corroded connectors, or pump internal issues affecting sensor mounting. Intermittent faults often worsen over time.
For TFSI Gasoline Models
The TFSI engine doesn't use a rotary diesel injection pump. If this code appears on a gasoline A6, use Audi's ODIS diagnostic system to verify. Check for scan tool database errors, ECM software glitches, or potentially misinterpreted fuel system codes that Audi uses different numbering for.
Diagnostic Strategy
Intermittent faults require patient diagnosis. For diesel models, wiggle test the sensor connector while monitoring live data. Check wiring for chafe points that create intermittent contact. For gasoline models, verify code validity with factory diagnostics before pursuing repairs.