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P2135 Chevrolet Uplander I

Testing & Diagnostics
  1. The system voltage is more than 5.23 volts.
  2. The ignition is in the Unlock/Accessory or Run position.
  3. DTC P0120, P0122, P0123, P0220, P0222, P0223 or P0606 is not set.
  4. The DTC runs continuously when the above conditions are met.

More articles — Engine Controls - 3.9L - DTC P0011 to P0420