Check the 'Possible Causes' listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector pins.
The cost to diagnose the B1237 code is 1.0 hour of labor. The diagnosis time and labor rates at auto repair shops vary depending on the location, make and model of the vehicle, and even the engine type. Most auto repair shops charge between $75 and $150 per hour.
The Climate Control Unit monitors the Passenger Side Air Mix Control Motor. The Climate Control Unit sets the OBDII code when the Passenger Side Air Mix Control Motor is not to factory specifications.
Need more information on how to fix the B1237 code? Get Access to Factory Service Manuals
Get the B1237 code diagnosed by a professional: Find a repair shop in your area