Source-backed diagnostic reference
P1825 EV diagnostic code
Internal Mode Switch Illegal Range
Reference status: This page preserves source-backed code definitions for discovery. Manufacturer/model applicability, repair steps and safety conclusions are not treated as verified unless a manufacturer-specific verified report is available.
Reference definitions
- BUICK: Internal Mode Switch Illegal Range Source
- CADILLAC: Internal Mode Switch Illegal Range Source
- CHEVY: Internal Mode Switch Illegal Range Source
- GM: Internal Mode Switch Illegal Range Source
- GMC: Internal Mode Switch Illegal Range Source
- OLDSMOBILE: Internal Mode Switch Illegal Range Source
- OTHER: Transmission 4-Wheel Drive Clutch Relay Open Circuit Source
- SATURN: Internal Mode Switch Illegal Range Source
- VOLKSWAGEN: Pressure Control Solenoid 3 Short To B+ Source
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