B0622moderate severityBody
Blend Door Actuator Circuit - Driver Side
on 1997 Dodge Dakota 2.5L I4 · 4WD
What this code means
Malfunction in the driver side blend door (temperature mix) actuator. The blend door controls the mix of hot and cold air.
Symptoms
- Driver side blows only hot or only cold air
- Temperature does not change with control adjustment
- Clicking noise from behind dashboard
- Inconsistent temperature delivery
Common causes
- Faulty blend door actuator motor
- Blend door binding or broken
- Actuator gear stripped
- Wiring issue
- HVAC control module fault
Diagnostic steps
- Listen for actuator operation when changing temp
- Test actuator with direct power
- Check actuator gears for stripping
- Inspect blend door for binding
- Scan HVAC module for codes
Repair notes
Replace blend door actuator. If door is broken, dash removal may be required for door replacement.
🔌 Don't have a code reader?
Any of these will read and clear this code — pick by how deep you want to go.
Bluetooth code reader (~$25)
Veepeak OBDCheck BLE →
Pairs with your phone — reads and clears codes, live data.
Serious DIY (~$100)
BlueDriver Pro →
Enhanced codes (ABS, airbag, TPMS) plus repair reports.
Shop-grade tablet (~$300+)
Autel MaxiCOM MK808S →
Bidirectional tests, service resets, all systems.
As an Amazon Associate, OLP earns from qualifying purchases — how we link. This never changes the specs we publish.
Other Body codes on this vehicle
B0001
Driver Frontal Stage 1 Deployment Control
B0002
Driver Frontal Stage 2 Deployment Control
B0003
Passenger Frontal Stage 1 Deployment Control
B0004
Passenger Frontal Stage 2 Deployment Control
B0005
Driver Knee Airbag Deployment Circuit
B0006
Passenger Knee Airbag Deployment Circuit
B0010
Driver Side Airbag Deployment
B0011
Driver Side Airbag Deployment Circuit Open
B0012
Driver Side Airbag Deployment Circuit Short to Ground
B0013
Driver Side Airbag Deployment Circuit Short to Battery