P261B - OBD II Trouble Code

Our automotive experts have put together the following information about the P261B diagnostic trouble code. We've provided the common symptoms that occur when this code is set along with the frequent repairs that address the issues related to the P261B code.

OBD II Fault Code

• OBD II P261B

OBD-II Code Powertrain Control Module (PCM) failure is defined as a Coolant Pump "B" Control Circuit Range/Performance

The water pump on some vehicles is electronically control by the engine control module (PCM). If the PCM does not detect the water pump is spinning at the speed commanded, code P261B will be set.

Common Problems That Trigger the P261B Code

• Powertrain Control Module (PCM) failure
• Water pump relay failure
• Wiring issue