# Service bulletin PIP4887A

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: 10111821
- Published by NHTSA: 2017\-08\-15
- Manufacturer's number: PIP4887A
- Manufacturer's date: 2014\-04\-23
- NHTSA component: EQUIPMENT; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM; ELECTRICAL SYSTEM

## NHTSA's summary

This Preliminary Information communication provides information to the technician about vehicles that have a ?Service Exhaust Fluid System? and a ?See Owner?s Manual Now? message displayed on the Instrument Panel Cluster. Technician may find reductant level sensor Diagnostic Trouble Codes P203D, P21AB, and P21B0 set. Technician will need to follow published Service Information diagnostics for the Diagnostic Trouble Codes that are set. If no wiring concerns are found replace the Diesel Exhaust Fluid tank assembly.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2014/MC-10111821-9999.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2014/MC-10111821-0001.pdf)

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

## Components

Electrical system, Engine, Equipment and accessories, Exhaust and emissions

## Trouble codes named

P203D, P21AB, P21B0

## Vehicles listed

- 2010 to 2011 CHEVROLET EXPRESS
- 2010 to 2011 CHEVROLET SILVERADO 1500
- 2010 to 2011 CHEVROLET SILVERADO 2500
- 2010 to 2011 GMC SAVANA
- 2010 to 2011 GMC SIERRA 2500
- 2010 to 2011 GMC SIERRA DENALI

## Recalls for the same vehicles and component

- [2023210](/recalls/tc/2023210.md), 2023-04-06: Electrical
- [23V247000](/recalls/nhtsa/23V247000.md), 2023-04-06: ELECTRICAL SYSTEM:WIRING
- [2018212](/recalls/tc/2018212.md), 2018-04-27: Accessories
- [18V267000](/recalls/nhtsa/18V267000.md), 2018-04-26: EQUIPMENT
- [2015002](/recalls/tc/2015002.md), 2014-12-30: Electrical
- [14V827000](/recalls/nhtsa/14V827000.md), 2014-12-30: ELECTRICAL SYSTEM:IGNITION
- [14V706000](/recalls/nhtsa/14V706000.md), 2014-11-05: EQUIPMENT ADAPTIVE/MOBILITY
- [2014277](/recalls/tc/2014277.md), 2014-07-03: Electrical
- [14V407000](/recalls/nhtsa/14V407000.md), 2014-07-02: ELECTRICAL SYSTEM
- [12V169000](/recalls/nhtsa/12V169000.md), 2012-04-17: EQUIPMENT ADAPTIVE/MOBILITY

## Other bulletins for the same vehicles and component

- [00\-06\-01\-026R](/bulletins/11026017.md), 2025-12-03, Service bulletin: ENGINE. This service bulletin provides information on replacing the intake manifold when the engine is replaced after severe internal engine damage.
- [23\-NA\-153](/bulletins/11024485.md), 2025-10-25, Service bulletin: ENGINE. The service bulletin advises the tech of a normal transmission shift condition and the delay in throttle response when the throttle plate is opened rapidly and advises the customer that it is normal for the delay.
- [23\-NA\-001](/bulletins/11017252.md), 2025-04-28, Service bulletin: UNKNOWN OR OTHER; ELECTRICAL SYSTEM. This service bulletin provides information for dealers/technicians on OnStar Module 2G Sunset Information.
- [22\-NA\-074](/bulletins/11014233.md), 2025-02-12, Service bulletin: ENGINE. This service bulletin provides service information to technicians on guidelines to replace Oil Cooler, Oil Cooler Lines and Oil Tank if the engine was replaced where large amounts of debris has flowed throughout the oiling system.
- [21\-NA\-043](/bulletins/11014230.md), 2025-02-12, Service bulletin: VISIBILITY/WIPER; SERVICE BRAKES; ENGINE; ELECTRICAL SYSTEM; WHEELS. This bulletin advises the dealers to maintain the vehicle stock on hand by doing a full inspection on the vehicles before being sold \(prepping\) to the customer.
- [03\-06\-01\-023I](/bulletins/11012907.md), 2025-01-17, Service bulletin: ENGINE. This service bulletin explains how to measure for oil consumption and possible reasons for loss of oil.
- [19\-NA\-219](/bulletins/11011900.md), 2024-12-17, Service bulletin: ENGINE. This diagnostic tip bulletin provides additional information on how to diagnose a possible valve, lifter or camshaft issue.
- [PIT5962B](/bulletins/11011805.md), 2024-12-12, Service bulletin: ELECTRICAL SYSTEM; UNKNOWN OR OTHER. This Preliminary information communicates a GM part number for reflective high temperature heat or insulating tape when repairing wiring harnesses.
- [21\-NA\-043](/bulletins/11011709.md), 2024-12-10, Service bulletin: STRUCTURE:BODY; WHEELS; ENGINE; SERVICE BRAKES; UNKNOWN OR OTHER. This bulletin advises the dealers to maintain the vehicle stock on hand by doing a full inspection on the vehicles before being sold \(prepping\) to the customer.
- [04\-06\-01\-029K](/bulletins/11011205.md), 2024-12-04, Service bulletin: POWER TRAIN; STEERING; ENGINE. This informational bulletin explains Unscheduled Supplemental Services and the importance of GM Simplified Maintenance Schedules.

JSON: [/v1/bulletins/10111821](/v1/bulletins/10111821)

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