What causes C1248 on a Toyota?

Faulty transfer indicator switch Open in the rear differential lock circuit Faulty brake actuator (skid control ECU)

How do I fix C1248 on a Toyota?

Confirm the code with a scan tool Check the switch adjustment and operation Inspect the switch connector and wiring Test the switch circuit for opens and shorts Replace the switch only after the circuit tests fail Clear the code and retest

C1248 The rear differential lock switch circuit is open

Q: What does C1248 mean on a Toyota?

C1248. The rear differential lock switch circuit is open. ABS and traction control may be disabled and the warning light comes on.. Applies to Toyota, Lexus and Scion models that use this code.

Category: Chassis
Severity: ABS Light
Applies to: Toyota, Lexus and Scion models that use this code

What does C1248 mean on a Toyota?

C1248. The rear differential lock switch circuit is open. ABS and traction control may be disabled and the warning light comes on.. This Toyota-enhanced code applies to Toyota, Lexus and Scion models that use this code.

Common causes of C1248

Faulty transfer indicator switch
Open in the rear differential lock circuit
Faulty brake actuator (skid control ECU)

How to fix C1248

Confirm the code with a scan tool
Check the switch adjustment and operation
Inspect the switch connector and wiring
Test the switch circuit for opens and shorts
Replace the switch only after the circuit tests fail
Clear the code and retest