PIP4880D

File in Section:
Service Bulletin
Bulletin No.:
Date:
PIP4880D
October, 2013
PRELIMINARY INFORMATION
Subject:
(EREV) DTC P0335 And/Or P0336 Stored In The HPCM
Models:
2011-2014 Chevrolet Volt
2012-2014 Opel Ampera
This PI was superseded to update model list and vehicle fix. Please discard PIP4880C.
The following diagnosis might be helpful if the vehicle exhibits the symptom(s) described in this PI.
Condition/Concern
Customer may comment of a MIL, dealer technician may find history DTC P0335 and or P0336 stored in the HPCM.
Recommendation/Instructions
If the DTCs P0335 and or P0336 are found stored ONLY as history in the HPCM, please check ground connection
G106 & G113.
If both grounds are clean and tight, attempt to reproduce the DTCs. If the DTCs do not reset please clear the DTCs
and do not attempt any repairs at this time.
If the vehicle is a model year 2014, there is a software solution to address this issue and please update the T6 Power
Inverter Module (HPCM) with the current software loaded into TIS-2-Web.
If either of the DTCs P0335 and P0336 are stored in the ECM as well as the HPCM or are current, please follow
published SI diagnostics.
Warranty Information
For vehicles repaired under warranty use:
Labor Operation
Description
Labor Time
4069939
Powertrain Controls — Labor Only Verify DTC
Does Not Reset And Release Vehicle
Use published labor time
2810295
Drive Motor Generator Power Inverter Module
Reprogramming with SPS
Use published labor time
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.