Audi DTC P1616 – Glow Plug/Heater Indicator Circuit Short to B+
DTC P1616 meaning on Audi
DTC P1616 for Audi indicates a Glow Plug/Heater Indicator Circuit Short to B+. This means that there is a malfunction in the circuit that controls the glow plug/heater indicator, causing a short to the battery positive terminal.
Audi DTC P1616 symptoms
Symptoms of DTC P1616 on an Audi may include:
- Check Engine Light illuminated
- Difficulty starting the engine, especially in cold weather
- Reduced engine performance
Audi DTC P1616 causes
The common causes of DTC P1616 on an Audi are:
- Faulty glow plug/heater indicator
- Short circuit in the glow plug/heater indicator circuit
- Wiring issues or loose connections
Audi DTC P1616 seriousness
DTC P1616 should not be ignored as it can lead to starting issues and reduced engine performance. It is recommended to address this issue promptly to avoid further complications.
How to diagnose DTC P1616 on Audi
To diagnose DTC P1616 on an Audi, you can follow these steps:
- Use an OBD-II scanner to retrieve the fault codes
- Inspect the glow plug/heater indicator circuit for any visible damage or loose connections
- Check the glow plug/heater indicator for proper functionality
- Perform a continuity test on the circuit to identify any short circuits
How to fix DTC P1616 on Audi
To fix DTC P1616 on an Audi, you can try the following solutions:
- Replace the faulty glow plug/heater indicator
- Repair any damaged wiring or connections in the circuit
- Clear any short circuits in the circuit
How to erase DTC P1616 on Audi
To erase DTC P1616 on an Audi, you can use an OBD-II scanner to clear the fault codes. Once the issue has been fixed and the repairs have been made, you can reset the codes to turn off the Check Engine Light.
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.