P1825 — GM: Internal Mode Switch Illegal Range

Code breakdown

Manufacturer-specific meanings (GM)

• BuickCadillacChevroletGMGMCOldsmobileSaturn
  Internal Mode Switch Illegal Range
• Volkswagen
  Pressure Control Solenoid 3 Short To B+

Related codes

• P1800 — Manufacturer-specific fault code
• P1800-buick — TCM Power Control Relay Circuit Open
• P1800-cadillac — TCM Power Control Relay Circuit Open
• P1800-chevrolet — TCM Power Control Relay Circuit Open
• P1800-gm — TCM Power Control Relay Circuit Open
• P1800-gmc — TCM Power Control Relay Circuit Open

Owner experiences (0)