Last Modified: 11-13-2015 6.6 C Doc ID: RM000001EA502UX
Model Year Start: 2016 Model: Tacoma Prod Date Range: [08/2015 - ]
Title: BRAKE CONTROL: VEHICLE STABILITY CONTROL SYSTEM (for Hydraulic Brake Booster): C1242; Open
Circuit in IG1/IG2 Power Source Circuit; 2016 MY Tacoma [08/2015 - ]
DTC C1242 Open Circuit in IG1/IG2 Power Source Circuit
If there is a problem with the skid control ECU (master cylinder solenoid) power supply circuit, the skid control
ECU outputs the DTC and prohibits operation under the fail safe function.
If the voltage supplied to terminal IG1 and/or IG2 is not within the DTC detection threshold due to malfunctions
in parts such as the battery or alternator circuit, this DTC is stored.
DTC DETECTING CONDITION TROUBLE AREAS
Vehicle speed 3 km/h (1.9 mph) or more and voltage of skid control
ECU (master cylinder solenoid) terminal IG1 and/or IG2 remains at
below 6.5 V for more than 7 seconds.
Power source circuit
Skid control ECU