Kia Sedona (2008 year). Manual - part 161

DTC B1646 doesn't show up by itself. It means that there's any fault in



Multifunction switch signal (light, wiper)  



CAN Communication line  



FAM, RAM  

so, B1646 show up with DTC B1603, B1611, B1612, B1950 and if these problems are solved, it 
disappear automatically. 

YES  

Go to COMPONENT INSPECTION procedure. 

NO  

Fault is intermittent caused by poor contact in the sensor's and/or ECM's connector or was repaired and 
ECM memory was not cleared. Thoroughly check connectors for looseness, poor connection, bending, 
corrosion, contamination, deterioration, or damage. Repair or replace as necessary and then go to 
"VERIFICATION OF VEHICLE REPAIR" procedure. 

COMPONENT INSPECTION 

1. Connect scan tool to Data Link Connector (DLC).  

2. Ignition "ON" & engine "OFF".  

3. Erase the DTC.  

4. Is the DTC erased? 

YES  

Check connectors for looseness, poor connection, bending, corrosion, contamination, deterioration, or 
damage. Repair or replace as necessary and then go to "VERIFICATION OF VEHICLE REPAIR" 
procedure. 

NO  

Refer diagnosis guide of accompanied DTC. 

VERIFICATION OF VEHICLE REPAIR 

Refer to DTC B1102. 

DTC B1647 VAS ERROR 

COMPONENT LOCATION 

 

2008 Kia Sedona EX 

2008 ACCESSORIES & BODY, CAB BCM (Body Control Module) - Sedona

  

Microsoft 

 

Monday, May 24, 2010 4:19:17 PM

Page 113 

© 2006 Mitchell Repair Information Company, LLC. 

Fig. 86: Locating VAS Switch 
Courtesy of KIA MOTORS AMERICA, INC. 

GENERAL DESCRIPTION 

VAS gives warning to driver when major problem of vehicle occurs, when VAS operating condition, IPM 
transmits `mute' signal to AV head unit to make speaker be in waiting mode, then IPM translate sound signal 
from external amp to speaker through CMD relay, warning items of VAS are seatbelt, charging voltage, 
sunroof, PSD/PTG, fuel shortage and VAS operates only when IG and VAS switch is "ON". 

DTC DESCRIPTION 

The ECM sets DTC B1647 if VAS doesn't operate within 5sec after VAS operation signal is transmitted. 

DTC DETECTING CONDITION 

DTC DETECTING CONDITION 

MONITOR DTC STATUS 

1. Connect scan tool to Data Link Connector (DLC).  

2. Ignition "ON" & engine "OFF".  

3. Select "Diagnostic Trouble Codes (DTC s)" mode and monitor "DTC Status" parameter.  

4. Is the DTC B1647 present? 

YES  

Item

Detecting Condition

Possible Cause

DTC Strategy



Check time lag. (time between VAS operation signal 
and VAS operation)  



Faulty IPM  

Enable Conditions



IGN: ON, VAS switch: ON  

Threshold value



5 sec  

Detecting time

-

 

2008 Kia Sedona EX 

2008 ACCESSORIES & BODY, CAB BCM (Body Control Module) - Sedona

  

Microsoft 

 

Monday, May 24, 2010 4:19:17 PM

Page 114 

© 2006 Mitchell Repair Information Company, LLC. 

Go to COMPONENT INSPECTION procedure.

NO  

Fault is intermittent caused by poor contact in the sensor's and/or ECM's connector or was repaired and 
ECM memory was not cleared. Thoroughly check connectors for looseness, poor connection, bending, 
corrosion, contamination, deterioration, or damage. Repair or replace as necessary and then go to 
"VERIFICATION OF VEHICLE REPAIR" procedure. 

COMPONENT INSPECTION 

1. Check IPM 

1. Check regional properties of IPM.  

2. Dose regional properties of IPM valid? 

YES  

Check connectors for looseness, poor connection, bending, corrosion, contamination, deterioration, 
or damage. 

Repair or replace as necessary and then go to "VERIFICATION OF VEHICLE REPAIR" 
procedure. 

NO  

Substitute with a known-good IPM and check for proper operation. If the problem is corrected, 
replace IPM and then go to "VERIFICATION OF VEHICLE REPAIR" procedure. 

VERIFICATION OF VEHICLE REPAIR 

Refer to DTC B1102. 

DTC B1910 LEFT OSM HORIZONTAL MOTOR OR SENSOR ERROR 

COMPONENT LOCATION 

 

2008 Kia Sedona EX 

2008 ACCESSORIES & BODY, CAB BCM (Body Control Module) - Sedona

  

Microsoft 

 

Monday, May 24, 2010 4:19:17 PM

Page 115 

© 2006 Mitchell Repair Information Company, LLC. 

Fig. 87: Locating DDM, Front Door Key Switch & Power Window Motor 
Courtesy of KIA MOTORS AMERICA, INC. 

GENERAL DESCRIPTION 

DDM is a node of CAN communication system which consists of IPM. FAM, RAM, ADM, IMS. Main 
function of DDM is lock/unlock of door and window, adjusting position and fold/unfold of outside mirror. 
Outside mirror module consists of motor and position sensor. According to Outside mirror Switch signal, 
Outside mirror motor adjusts position of mirror and position sensor delivers result to DDM by voltage value. 

DTC DESCRIPTION 

The ECM sets DTC B1910 if signal voltage of left outside mirror horizontal sensor is out of range. 

DTC DETECTING CONDITION 

DTC DETECTING CONDITION 

MONITOR DTC STATUS 

1. Connect scan tool to Data Link Connector (DLC).  

2. Ignition "ON" & engine "OFF".  

3. Select "Diagnostic Trouble Codes (DTC s)"mode and monitor "DTC Status" parameter.  

4. Is the DTC B1910 present? 

Item

Detecting Condition

Possible Cause

DTC Strategy



Check Voltage  



Open or short in signal 
harness  



Open or short in power 
harness  



Faulty outside mirror motor 



Faulty outside mirror sensor 



Faulty DDM  

Enable Conditions



IGN `ON' & Engine `OFF'  

Threshold value



1.04V < Output voltage < 
3.95V  

Detecting time



50 ms  

FAIL SAFE

-

 

2008 Kia Sedona EX 

2008 ACCESSORIES & BODY, CAB BCM (Body Control Module) - Sedona

  

Microsoft 

 

Monday, May 24, 2010 4:19:17 PM

Page 116 

© 2006 Mitchell Repair Information Company, LLC.