PIP5223 Service Bulletin/Repair Instructions

File in Section:
Service Bulletin
Bulletin No.:

Date:
PIP5223

September, 2014
PRELIMINARY INFORMATION

Subject:
PQC Part Restriction - E92 ECM Restriction Part Number 12662034
Models:
2015 Chevrolet Tahoe, Suburban with V8 (L83, L86) gas engine

2015 Chevrolet Colorado with LFX engine

2015 GMC Yukon and Yukon XL with V8 (L83, L86) gas engine

2015 GMC Canyon with LFX engine

2015 Cadillac Escalade with V8 (L86) gas engine

2014-2015 Chevrolet Silverado/GMC Sierra with V6 (LV1, LV3) or V8 (L83, L86)

gas engine

2014-2015 Chevrolet Corvette with LT1 engine

2014-2015 Cadillac XTS with LF3 engine

2014-2015 Cadillac CTS with LF3, LFX engine

2014-2015 Cadillac ATS with LFX engine
The following diagnosis might be helpful if the vehicle exhibits the symptom(s) described in this PI.
Condition/Concern

As part of our ongoing quality improvement efforts, the E92 ECM, part number 12662034 is on restriction through the

PQC to assist GM Engineering with product feedback.

Restricted Part Number: 12662034
Recommendation/Instructions

If your diagnostics using SI, have led to the replacement of the ECM, please complete the following BEFORE

contacting the PQC at 1-866-654-7654

Your Name/Position:

Your Direct Phone Number:

Q1: Is the Restricted part being requested for:

• Customer Pay

• A Model Year Not Listed

• A Vehicle Line Not Listed

Complete the following if you are working on a 2015 Chevrolet Silverado Suburban Tahoe / GMC Sierra Yukon,

Cadillac Escalade equipped with LV1, LV3, L83 and L86 gas engines (not L96 or LC8 gas engines and not the

Duramax diesel engine), 2015 Chevrolet Colorado with LFX engine 2015 GMC Canyon with LFX engine Chevrolet

Corvette with LT1 engine, Cadillac XTS with LF3 engine, Cadillac CTS with LF3, LFX engines, Cadillac ATS

with LFX.

Q2: Customer’s Concern:

If SES light is on, what is the DTC?

List all history and current (active) DTCs in all control modules:

Note: If P0700 is present in the ECM, it should NOT be necessary to replace the ECM

The P0700 DTC is caused by a concern from the TCM and should be accompanied by another DTC.

Please refer to the appropriate trouble tree on SI for the DTC that accompanied TCM P0700 to resolve the

concern.

Please follow this diagnostic or repair process thoroughly and complete each step. If the condition exhibited is

resolved without completing every step, the remaining steps do not need to be performed.

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