BMW DTC P10CC – Reductant Heater Power Switch Circuit High
DTC P10CC meaning on BMW
DTC P10CC on a BMW refers to the Reductant Heater Power Switch Circuit High. This diagnostic trouble code indicates that the power switch circuit for the reductant heater is experiencing a high voltage condition, which can lead to issues with the reductant heating system.
BMW DTC P10CC symptoms
Symptoms of DTC P10CC on a BMW may include the malfunction indicator lamp (MIL) or check engine light illuminating on the dashboard. Additionally, you may notice reduced fuel efficiency or performance issues due to the reductant heater not functioning properly.
BMW DTC P10CC causes
The causes of DTC P10CC on a BMW can vary, but common reasons include a faulty reductant heater power switch, wiring issues in the circuit, or a malfunctioning reductant heater itself. Corrosion or damage to the electrical connections can also lead to this fault code.
BMW DTC P10CC seriousness
While DTC P10CC may not cause immediate drivability issues, it is important to address this fault code promptly to ensure proper operation of the reductant heating system. Ignoring this code can lead to increased emissions and potential damage to the vehicle’s emissions control system.
How to diagnose DTC P10CC on BMW
To diagnose DTC P10CC on a BMW, a mechanic would typically use a diagnostic scanner to retrieve the fault code and perform a thorough inspection of the reductant heater power switch circuit. This may involve checking the wiring, connectors, and the reductant heater itself for any signs of damage or malfunction.
How to fix DTC P10CC on BMW
Fixing DTC P10CC on a BMW may involve replacing the faulty reductant heater power switch, repairing any damaged wiring or connectors in the circuit, or addressing issues with the reductant heater unit. It is recommended to follow the manufacturer’s diagnostic and repair procedures to ensure proper resolution of the fault code.
How to erase DTC P10CC on BMW
Once the underlying issue causing DTC P10CC on a BMW has been resolved, the fault code can be cleared using a diagnostic scanner. By clearing the code, the check engine light should turn off. It is important to verify that the issue has been fixed before clearing the code to prevent it from reoccurring.
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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