Question

I have a 2006 Pontiac Vibe 4 Cyl and it shows the code C1241. What is that?

Answer 1

C1241 ABS hydraulic pressure differntial switch input short circuit to ground

P0456 EVAP system very small leak detected.

The p0456 is most likely due to a worn gas cap,or not secured gas cap,

C1241  This is ABS power supply,make sure the midlle brake light is working,bulb is not burnt out.The EBCM (electronic brake control module) monitor the voltage level available for ABS operation, Here are the condition for setting this code, Battery is less than 9.5 volts, so check the charging system. Battery condition is greater than 19 volts this is a over charging condition with the charging system.EBCM wire harness has high resistance, EBCM has poor ground.You also may have a open fuse for the ABS system,Such fuse as the stop fuse which is a 15amp fuse located in the engine fuse box,ECU-B fuse this is a 10amp fuse also in the engine fuse junction box,so check the fuse,

Answer 2

You may have a problem with the Electronic Brake Control Module (EBCM). Start by checking the connector.

C1241 Pontiac Code - Variable Effort Steering Circuit Malfunction
Read more: https://www.autocodes.com/c1241_pontiac.html