DIAGNOSTIC TROUBLE CODE CHART
Lighting System
DTC No. |
Detection Item |
Note |
Link |
---|---|---|---|
B1244 |
Light Sensor Circuit Malfunction |
- |
|
B242C |
Right Headlight ECU Malfunction |
- |
|
B242D |
Left Headlight ECU Malfunction |
- |
|
B242E |
Open in IG Circuit |
- |
|
B2439 |
Headlamp LH Circuit |
- |
|
B243A |
Headlamp RH Circuit |
- |
|
B2451 |
Vehicle Specifications have not been Stored |
- |
|
B2456 |
Left Headlight ECU Variation Error |
- |
|
U0073 |
Control Module Communication Bus OFF |
- |
|
U0100 |
Lost Communication with ECM / PCM "A" |
- |
|
U0129 |
Lost Communication with Brake System Control Module |
- |
|
U0142 |
Lost Communication with Body Control Module "B" |
- |
|
U0242 |
Lost Communication With Headlamp Control Module "B" |
- |
|
U1000 |
CAN Communication Failure (Message Registry) |
- |
|
Toyota CH-R Owners Manual > Do-it-yourself maintenance: Wireless remote control/electronic key battery
Replace the battery with a new one if it is depleted.
You will need the following items:
Flathead screwdriver
Small flathead screwdriver
Lithium battery
Vehicles without a smart key system: CR1620
Vehicles with a smart key system: CR2032
Replacing the battery
Vehicles without a smart ...
Toyota CH-R Service Manual > Can Communication System: Check Bus 1 Line for Short to GND
DESCRIPTION
There may be a short circuit between one of the CAN bus lines and GND when there
is no resistance between terminal 23 (CA1H) of the central gateway ECU (network
gateway ECU) and terminal 4 (CG) of the DLC3, or terminal 8 (CA1L) of the central
gateway ECU (network gateway ECU) and ...