The car ran and competed in individual Formula Three motor races for four years, until 1981.
Frenchman Richard Dallest was behind the wheel, and although he brought the car to the finish line, he was not classified.
Dallest and AGS' second driver, José Dolhem, struggled with the car all season.
The JH15 contested its last Formula 2 race in July 1981 at Gran Premio del Mediterraneo in Enna, Sicily.
Couderc qualified for the race and held out for 42 laps against strong competition, most of whom were equipped with Cosworth DFV eight-cylinder engines.