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P26BA – BMW DTC

BMW DTC P26BA – Engine Coolant Bypass Valve ‘C’ Stuck/Open

DTC P26BA meaning on BMW

The DTC P26BA error code on a BMW indicates an issue with the Engine Coolant Bypass Valve ‘C’ being stuck open. This valve is responsible for regulating the flow of coolant in the engine cooling system.

BMW DTC P26BA symptoms

Symptoms of the DTC P26BA code on a BMW may include:

  • Engine overheating
  • Low coolant level
  • Decreased engine performance
  • Check Engine Light illuminated

BMW DTC P26BA causes

Common causes of the DTC P26BA code on a BMW include:

  • Faulty Engine Coolant Bypass Valve ‘C’
  • Stuck or open bypass valve
  • Wiring or connector issues

BMW DTC P26BA seriousness

Ignoring the DTC P26BA code on a BMW can lead to serious engine damage due to overheating. It is important to address this issue promptly to prevent further complications.

How to diagnose DTC P26BA on BMW

To diagnose the DTC P26BA code on a BMW, you can perform the following steps:

  1. Use a diagnostic scanner to retrieve the error code
  2. Inspect the Engine Coolant Bypass Valve ‘C’ for any signs of damage or obstruction
  3. Check the wiring and connectors associated with the bypass valve for any issues

How to fix DTC P26BA on BMW

To fix the DTC P26BA code on a BMW, you may need to:

  1. Replace the Engine Coolant Bypass Valve ‘C’ if it is faulty
  2. Clean or repair the bypass valve if it is stuck open
  3. Repair any wiring or connector issues related to the bypass valve

How to erase DTC P26BA on BMW

To erase the DTC P26BA code on a BMW, you can:

  1. Use a diagnostic scanner to clear the error code
  2. After fixing the underlying issue, reset the Check Engine Light

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

← All BMW Diagnostic Trouble Codes

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