DESCRIPTION
This DTC is stored when the DCM (Telematics Transceiver) detects either of the following conditions.
When this DTC is stored, the BUB (Back-Up Battery) must be replaced. BUB (Back-Up Battery) degradation DTC B15EC is not reported in the deactive mode.
DTC Code |
DTC Detection Condition |
Trouble Area |
---|---|---|
B15EC |
The BUB (Back-Up Battery) is deteriorated. |
BUB (Back-Up Battery) |
CAUTION / NOTICE / HINT
NOTICE:
PROCEDURE
1. |
CHECK FOR DTC |
(a) Turn the ignition switch off.
(b) Connect the Techstream to the DLC3.
(c) Turn the ignition switch to ON and wait for 10 seconds.
(d) Perform "Health Check" and check for current DTCs (See page
).
Result |
Proceed to |
---|---|
DTC B15EC is output |
A |
DTC B15EC is not output |
B |
A | ![]() |
REPLACE BUB (BACK-UP BATTERY) |
B | ![]() |
CHECK FOR INTERMITTENT PROBLEMS |
Inspection
INSPECTION
PROCEDURE
1. INSPECT DOOR CONTROL TRANSMITTER MODULE
(a) Inspect the operation of the transmitter.
(1) Remove the battery (lithium battery) from the transmitter (See page
).
(2) Install a new or normal battery (lithium battery).
...
System Description
SYSTEM DESCRIPTION
1. DESCRIPTION
(a) In the Variable Flow Control (VFC) power steering system, the power steering
ECU assembly receives the steering angle signal, steering zero point memory, the
steering speed, vehicle speed signal and engine speed sign ...