Chevrolet P16F2: Control Module Transmission Direction Range Switch

What Does The Chevrolet P16F2 Code Mean?

The ignition is ON. Ignition voltage is at least 9.5 V and no more than 18 V.

Conditions for setting the DTC:

Condition 1

• No internal mode switch direction switch DTCs are set.
• A valid internal mode switch direction indicated by the internal mode switch does not match the direction indicated by the hybrid powertrain control module software.

Condition 2

• No internal mode switch direction switch DTCs are set.
• Two valid internal mode switch directions are indicated at the same time.

Condition 3

• One internal mode switch direction switch circuit has failed.
• The hybrid powertrain control module calculates a transmission direction based upon the remaining internal mode switch circuits but it does not match the direction indicated by the hybrid powertrain control module software.

Condition 4

• Multiple internal mode switch directions and one internal mode switch direction switch circuit has failed.
• Based upon the remaining internal mode switch circuits the hybrid powertrain control module calculated two directions at the same time.

Condition 5

• More than one internal mode switch direction circuit has failed and the hybrid powertrain control module cannot calculate a transmission direction.
• Ignition voltage is 9.5-18 V.

Recommended Parts

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>>> WORKPRO 582-piece Crimp Terminals, Wire Connectors, Heat Shrink Tube, Electrical Repair Kit
>>> GM Genuine Parts 12633238 Engine Control Module

Note: During the purchasing process, please check carefully whether the part you want to buy fits your car!

Reference Sources

Chevrolet Volt Hybrid DTC – OBDG01 HYBRID Diagnostics Document, page 378.