DTC B1508-19: Turn Signal/Hazard Flasher Circuit Current Above Threshold [11/2023 - ]: Description

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This DTC is stored when the combination meter assembly detects a short in a turn signal light circuit.

HINT:

If there is a short in a turn signal light circuit, all of the turn signal lights in that circuit will not blink.

DTC No.	Detection Item	DTC Detection Condition	Trouble Area
B1508-19	Turn Signal/Hazard Flasher Circuit Current Above Threshold	Diagnosis Condition: Auxiliary battery voltage is 10 V or more Malfunction Status: Short in turn signal light circuit	Headlight assembly Headlight ECU sub-assembly1 Front turn signal light socket Front turn signal light bulb Outer mirror control ECU assembly2 Outer rear view mirror assembly Side turn signal light assembly Device connected to option connector (trailer towing)*3 Rear combination light assembly Rear combination light cord Rear turn signal light socket Rear turn signal light bulb Harness or connector Combination meter assembly

DTC No.

Detection Item

DTC Detection Condition

Trouble Area

B1508-19

Turn Signal/Hazard Flasher Circuit Current Above Threshold

Diagnosis Condition:

Auxiliary battery voltage is 10 V or more

Malfunction Status:

Short in turn signal light circuit

Headlight assembly
- Headlight ECU sub-assembly*1
- Front turn signal light socket
- Front turn signal light bulb
Outer mirror control ECU assembly*2
Outer rear view mirror assembly
- Side turn signal light assembly
Device connected to option connector (trailer towing)*3
Rear combination light assembly
- Rear combination light cord
- Rear turn signal light socket
- Rear turn signal light bulb
Harness or connector
Combination meter assembly

*1: w/ AFS
*2: w/ Seat Position Memory
*3: w/ Option Connector (Trailer Towing)