B1236 DTC B1236 or DTC indicator L: An Open in the Passenger's Air Mix Control Motor Circuit 1. Clear the DTC with the HDS. 2. Operate the climate control system in several modes. 3. Check for DTCs using the HDS or self-diagnostic. Is DTC B1236 or L indicated? YES - Go to step 4. NO - Intermittent failure, check for loose wires or poor connections on the passenger's air mix control motor.. NO -Substitute a known-good climate control unit, and recheck. If the symptom/indication goes away, replace the original climate control unit (with navigation) (see page 21-190), (without navigation) (see page 21-191). DTC B1236 or DTC indicator D and A /C ON: An Open in the Passenger's Air Mix Control Motor Circuit 1. Clear the DTC with the.
I'm the owner of a 2008 Honda Odyssey Touring with 159k miles. After completing a long project, I scanned the entire system of my van. I got codes B1221 (rear mode control motor circuit), B1233 (front air mix control motor circuit) B1236 (passenger's air mix control motor circuit). I've searched our forum for information on these codes to do this work, but there is a lot of confusion in past.. Code B1236 stands for Open In The Passenger Side Air Mix Control Motor Circuit. Read the article to know possible causes, symptoms, and descriptions.