# Service bulletin TJ31798.1.0

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

- Type: Service bulletin
- NHTSA id: 10110177
- Published by NHTSA: 2017\-08\-03
- Manufacturer's number: TJ31798.1.0
- Manufacturer's date: 2016\-07\-22
- NHTSA component: ELECTRICAL SYSTEM:ALTERNATOR/GENERATOR/REGULATOR; ELECTRICAL SYSTEM

## NHTSA's summary

This document is a Technical Journal: Inverter Generator Module "DTC IGM\-P0DFC00, Generator Position Sensor Not learned" may be noticed at a VIDA readout. No reported customer symptoms. Ignore the DTC, work is ongoing to find the root cause.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2016/MC-10110177-9999.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2016/MC-10110177-0001.pdf)

The document is the manufacturer's. This site does not hold it.

## Components

Electrical system, Alternator

## Trouble codes named

P0DFC

## Vehicles listed

- 2016 to 2017 VOLVO XC90H

## Other bulletins for the same vehicles and component

- [TJ31798.2.0\-2016](/bulletins/10167831.md), 2019-11-18, Service bulletin: EQUIPMENT ADAPTIVE/MOBILITY; ELECTRICAL SYSTEM; ELECTRICAL SYSTEM:ALTERNATOR/GENERATOR/REGULATOR. Inverter Generator Module "DTC IGM\- P0DFC00, Generator Position Sensor Not learned" may be noticed at a VIDA readout. No reported customer symptoms. Ignore the DTC, work is ongoing to find the root cause.
- [TJ31949](/bulletins/10088643.md), 2017-01-13, Service bulletin: ELECTRICAL SYSTEM:ALTERNATOR/GENERATOR/REGULATOR; HYBRID PROPULSION SYSTEM: INVERTER. THIS IS A TECHNICAL JOURNAL: IF THE INVERTER GENERATOR MODULE \(IGM\) IS EXPOSED TO HIGH TEMPERATURES AND VIBRATION, A DIAGNOSTIC TROUBLE CODE \(DTC\) MAY BE SET INDICATING AN INTERNAL ISOLATION FAULT THAT WILL RENDER THE IGM INOPERABLE.THE CORRECTIVE ACTION IS TO CHECK THE VEHICLES IGM SERIAL NUMBER AGAINST THE ATTACHED “IGM HOUSING SERIAL NUMBERS” LIST. IF THE LABEL NUMBER FOR THE VEHICLES IGM IS LISTED IN THE “IGM HOUSING SERIAL NUMBER” LIST, REPLACE THE IGM. IF THE LABEL NUMBER FROM THE VEHICLES IGM IS NOT ON THE LIST, NO FURTHER ACTION IS NECESSARY.
- [PB32S39803201609](/bulletins/10087525.md), 2016-12-29, Service bulletin: ELECTRICAL SYSTEM:ALTERNATOR/GENERATOR/REGULATOR; HYBRID PROPULSION SYSTEM: INVERTER. THIS IS A PARTS BULLETIN: IF THE INVERTER GENERATOR MODULE \(IGM\) IS EXPOSED TO HIGH TEMPERATURES AND VIBRATION, A DIAGNOSTIC TROUBLE CODE \(DTC\) MAY BE SET INDICATING AN INTERNAL ISOLATION FAULT THAT WILL RENDER THE IGM INOPERABLE.THE CORRECTIVE ACTION IS TO CHECK THE VEHICLES IGM SERIAL NUMBER AGAINST THE ATTACHED “IGM HOUSING SERIAL NUMBERS” LIST. IF THE LABEL NUMBER FOR THE VEHICLES IGM IS LISTED IN THE “IGM HOUSING SERIAL NUMBER” LIST, REPLACE THE IGM. IF THE LABEL NUMBER FROM THE VEHICLES IGM IS NOT ON THE LIST, NO FURTHER ACTION IS NECESSARY.
- [S3980320160926](/bulletins/10087524.md), 2016-12-29, Service bulletin: HYBRID PROPULSION SYSTEM: INVERTER; ELECTRICAL SYSTEM:ALTERNATOR/GENERATOR/REGULATOR. THIS IS A QUALITY BULLETIN: IF THE INVERTER GENERATOR MODULE \(IGM\) IS EXPOSED TO HIGH TEMPERATURES AND VIBRATION, A DIAGNOSTIC TROUBLE CODE \(DTC\) MAY BE SET INDICATING AN INTERNAL ISOLATION FAULT THAT WILL RENDER THE IGM INOPERABLE.THE CORRECTIVE ACTION IS TO CHECK THE VEHICLES IGM SERIAL NUMBER AGAINST THE ATTACHED “IGM HOUSING SERIAL NUMBERS” LIST. IF THE LABEL NUMBER FOR THE VEHICLES IGM IS LISTED IN THE “IGM HOUSING SERIAL NUMBER” LIST, REPLACE THE IGM. IF THE LABEL NUMBER FROM THE VEHICLES IGM IS NOT ON THE LIST, NO FURTHER ACTION IS NECESSARY.
- [TJ31949102016092](/bulletins/10087522.md), 2016-12-29, Service bulletin: ELECTRICAL SYSTEM:ALTERNATOR/GENERATOR/REGULATOR. THIS IS A TECHNICAL JOURNAL: IF THE INVERTER GENERATOR MODULE \(IGM\) IS EXPOSED TO HIGH TEMPERATURES AND VIBRATION, A DIAGNOSTIC TROUBLE CODE \(DTC\) MAY BE SET INDICATING AN INTERNAL ISOLATION FAULT THAT WILL RENDER THE IGM INOPERABLE.THE CORRECTIVE ACTION IS TO CHECK THE VEHICLES IGM SERIAL NUMBER AGAINST THE ATTACHED “IGM HOUSING SERIAL NUMBERS” LIST. IF THE LABEL NUMBER FOR THE VEHICLES IGM IS LISTED IN THE “IGM HOUSING SERIAL NUMBER” LIST, REPLACE THE IGM. IF THE LABEL NUMBER FROM THE VEHICLES IGM IS NOT ON THE LIST, NO FURTHER ACTION IS NECESSARY.

JSON: [/v1/bulletins/10110177](/v1/bulletins/10110177)

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