Check the 'Possible Causes' listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector pins.
The cost to diagnose the C1838 code is 1.0 hour of labor. The diagnosis time and labor rates at auto repair shops vary depending on the location, make and model of the vehicle, and even the engine type. Most auto repair shops charge between $75 and $150 per hour.
The Anti-Lock Brake System (ABS) Module monitors the Charging System. The ABS Module sets the OBDII code when the Charging System is not to factory specifications.
Need more information on how to fix the C1838 code? Get Access to Factory Service Manuals
Get the C1838 code diagnosed by a professional: Find a repair shop in your area