FixVault

Test Description

The numbers below refer to the step numbers on the diagnostic table.

  1. 2. This step will determine if the ground circuit is open which causes the vehicle not to start.
  2. 3. This step will determine if the signal circuit is open or an injection pump (fuel solenoid) is at fault.
Fig 1: DTC P1216
G01599790Courtesy of GENERAL MOTORS CORP.