P1871 — Cadillac: Undefined Gear Ratio

Code breakdown

Manufacturer-specific meanings (Cadillac)

• BuickCadillacChevroletGMGMCOldsmobileSaturn
  Undefined Gear Ratio

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)