2007 Toyota Tundra Code C1241

What is the Toyota C1241 Code?

Meaning and Causes

The C1241 code on Toyota vehicles indicates a problem with the voltage on the skid control ECU's IG1 terminal. This code is triggered when the voltage deviates from the normal operating range, either too low (below 10V) or too high (above 16V). Possible causes of the C1241 code include: * Bad battery * Bad alternator * Wiring fuse * Bad skid control module

Symptoms

The symptoms of the C1241 code can vary depending on the underlying cause. Some common symptoms include: * Check engine light * Reduced engine power * Difficulty starting the vehicle * Problems with the skid control system

Diagnosis

To diagnose the C1241 code, a mechanic will typically: * Check the battery voltage * Test the alternator * Inspect the wiring and fuses * Diagnose the skid control module

Repair

The repair for the C1241 code will depend on the underlying cause. Some common repairs include: * Replacing the battery * Replacing the alternator * Repairing or replacing wiring or fuses * Replacing the skid control module