# Service bulletin PIP\-4577A

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: 10032885
- Published by NHTSA: 2010\-06\-08
- Manufacturer's number: PIP\-4577A
- Manufacturer's date: 2012\-01\-01
- Replaces: PIP\-4577\-K
- NHTSA component: ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CRANKCASE \(PCV\); ENGINE AND ENGINE COOLING:ENGINE

## NHTSA's summary

CADILLAC: SES LIGHT WITH DTCS P0171 AND P0174. COMPLAINT OF SES LIGHT BUT IT IS UNLIKELY THAT THERE WILL BE A COMPLAINT OF ANY ENGINE PERFORMANCE CONCERNS IF THIS APPLIES. UPON INSPECTION, DTCS P0171 AND P0174 WILL BE STORED AND FREEZE FRAME DATA WILL NORMALLY INDICATE THAT THEY SET AT APPROXIMATELY THE SAME TIME. THIS MAY BE THE RESULT OF A SMALL AIR LEAK IN THE AIR INDUCTION SYSTEM. \*PE UPDATED 4/4/12. \*PE

## The document

No address for NHTSA's copy can be built for this communication. Ask the dealer for it by the manufacturer's number.

## Components

Engine, Exhaust and emissions, Crankcase ventilation \(PCV\)

## Trouble codes named

P0171, P0174

## Vehicles listed

- 2007 to 2008 CADILLAC SRX
- 2007 to 2008 CADILLAC STS
- 2007 to 2008 CADILLAC XLR

## Other bulletins for the same vehicles and component

- [PIP3423P](/bulletins/10144453.md), 2018-09-17, Service bulletin: ENGINE; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CRANKCASE \(PCV\). This Preliminary Information communication provides information to the technician that Diagnostic Trouble Codes P0016, P0017, P0018, P0019, P0008 or P0009 may be set. Technician will need to inspect for loose timing chains or tensioners. If after following Service Information diagnostics the root cause is not found inspect the reluctor for the crankshaft sensor. If the reluctor has moved then replace crankshaft.

JSON: [/v1/bulletins/10032885](/v1/bulletins/10032885)

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