P0516 – BMW DTC

BMW DTC P0516 – Battery Temperature Sensor Circuit Low

DTC P0516 meaning on BMW

DTC P0516 on a BMW indicates a fault with the Battery Temperature Sensor Circuit. This diagnostic trouble code is triggered when the Engine Control Module (ECM) detects a low voltage signal from the battery temperature sensor.

BMW DTC P0516 symptoms

Symptoms of a DTC P0516 on a BMW may include:

• Check Engine Light illuminated
• Inaccurate battery temperature readings on the dashboard
• Poor fuel efficiency
• Engine performance issues

BMW DTC P0516 causes

Common causes of a DTC P0516 on a BMW include:

• Defective battery temperature sensor
• Wiring or connection issues in the battery temperature sensor circuit
• ECM software malfunction

BMW DTC P0516 seriousness

While a DTC P0516 may not cause immediate drivability issues, it is important to address this fault promptly to prevent potential long-term damage to the vehicle’s systems.

How to diagnose DTC P0516 on BMW

To diagnose a DTC P0516 on a BMW, a mechanic would typically perform the following steps:

1. Use a diagnostic scanner to retrieve the fault code and freeze frame data
2. Inspect the battery temperature sensor and its wiring for any visible damage
3. Test the battery temperature sensor using a multimeter to check for proper resistance values
4. Check the ECM for any software updates or reprogramming requirements

How to fix DTC P0516 on BMW

To fix a DTC P0516 on a BMW, the following steps may be taken:

1. Replace the faulty battery temperature sensor
2. Repair any damaged wiring or connections in the sensor circuit
3. If necessary, update or reprogram the ECM software

How to erase DTC P0516 on BMW

After addressing the underlying issue causing the DTC P0516 on a BMW, the fault code can be cleared using a diagnostic scanner. This will reset the Check Engine Light and allow the vehicle’s ECM to monitor the system for any new faults.

Recommended tools & DTC Scanners for BMW

Best Diagnostic App for modern BMWs: BimmerLink

Recommended Bluetooth adapter for Bimmerlink: OBDLink CX

Cable adapter for Bimmerlink: Enet Cable USB Type C

For older BMWs we recommend: Autel AutoLink AL319 (2024 version)

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

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