P1827 – BMW DTC

BMW DTC P1827 – Shiftlock Solenoid Relay (CVT) Circuit High

DTC P1827 meaning on BMW

DTC P1827 indicates a fault in the Shiftlock Solenoid Relay circuit for BMW vehicles equipped with a Continuously Variable Transmission (CVT). The Powertrain Control Module (PCM) detects a high voltage condition in the circuit, which controls the operation of the shift lock solenoid.

BMW DTC P1827 symptoms

Symptoms of DTC P1827 in a BMW may include:

• Difficulty shifting out of Park
• Inability to shift gears
• Stuck gear shifter
• Warning lights on the dashboard

BMW DTC P1827 causes

Common causes of DTC P1827 in BMW vehicles include:

• Faulty shiftlock solenoid relay
• Short or open circuit in the wiring
• Corroded connectors or terminals
• Defective PCM

BMW DTC P1827 seriousness

While DTC P1827 may not directly affect the drivability of the vehicle, it can lead to inconvenience and safety concerns due to the inability to shift gears properly. It is recommended to address this issue promptly to ensure the proper operation of the transmission system.

How to diagnose DTC P1827 on BMW

To diagnose DTC P1827 on a BMW, follow these steps:

1. Use a diagnostic scanner to retrieve the fault code and freeze frame data.
2. Inspect the shiftlock solenoid relay and related wiring for any visible damage or corrosion.
3. Check the voltage and continuity of the circuit using a multimeter.
4. Perform a PCM scan to identify any other related codes or issues.

How to fix DTC P1827 on BMW

To fix DTC P1827 on a BMW, consider the following steps:

1. Replace the faulty shiftlock solenoid relay if necessary.
2. Repair any damaged or corroded wiring connections.
3. Clean or replace any corroded connectors or terminals.
4. If the issue persists, consult a professional mechanic for further diagnosis and repair.

How to erase DTC P1827 on BMW

To erase DTC P1827 on a BMW, follow these steps:

1. Use a diagnostic scanner to clear the fault code from the PCM memory.
2. After clearing the code, perform a test drive to ensure the issue has been resolved.
3. If the code reappears, further diagnosis may be required to address the underlying cause.

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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