Cadillac P16F2: Control Module Transmission Direction Range Switch

Is your scanner showing Cadillac P16F2?
No worries. We'll show you what it means and how to deal with it.

Presented by

Randy Worner

00:00/00:00

OVERVIEW

Severity

High

DIY Difficulty Level

Intermediate

Repair Cost

$200-$350

Can I Still Drive?

Yes

What Does The Cadillac P16F2 Code Mean?

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

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.