Cadillac P182C: Internal Mode Switch B Circuit High Voltage

Is your scanner showing Cadillac P182C?
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Cadillac P182C: Internal Mode Switch B Circuit High Voltage

OVERVIEW

Severity

High

DIY Difficulty Level

Intermediate

Repair Cost

$170-$300

Can I Still Drive?

Yes

What Does The Cadillac P182C Code Mean?

The system voltage is 11-18 V. P182E The engine run time is greater than 5 seconds. The system voltage is 11-18 V. The vehicle speed is less than 200 km/h (124 mph) for 5 seconds.

What Are The Potential Causes Of The Cadillac P182C Code?

Any one or more of the following conditions:
The IMS signal circuit A, B, or P are Low in Park for greater than 8 seconds.
The IMS signal circuit A is Low in D for 8 seconds.
The IMS signal circuit C is High in D for 8 seconds.
The TCM detects an invalid range from the IMS for 3.25 seconds.
The IMS signal circuit C is high in D for greater than 8 seconds.
Park/Neutral Switch equals P/N and the IMS state is not Park or Neutral, or the Park/Neutral switch is not Park or Neutral and the IMS state equals Park or Neutral for 4 seconds.
Or the automatic transmission manual shift shaft position switch assembly indicates a transitional state for 8 seconds.