NHTSA ID Number: 10163655
Manufacturer Communication Number: PIP4871D
Summary
This Preliminary Information communication provides information to the technician about vehicles that may have Malfunction Indicator Lamp on. Technician my find Diagnostic Trouble Code P1B0F and or Diagnostic Trouble Code P1B10 set in the Hybrid Powertrain Control Module. Dealer should explain to the customer that inadvertently shutting the vehicle off while in motion (out of park) may cause this Malfunction Indicator Lamp to illuminate, and this is design intent.
5 Affected Products
Vehicles
SEOCONTENT-START
Bulletin No.: PIP4871D Published date: 07/9/2019
Preliminary Information
PIP4871D MIL Possible DTCs P1B10 And Or P1B0F
Models
Brand: Model: Model Years:
VIN:
from to
Chevrolet
Volt 2011 – 2013 All All
All All Opel Ampera 2012 – 2013
All All All All
Supersession Statement
This PI was superseded to update document layout for clarity. Please discard PIP4871C.
The following diagnosis might be helpful if the vehicle exhibits the symptom(s) described in this
PI.
Condition / Concern
During diagnosis of a MIL technicians may find DTC P1B0F (Drive Motor A Position Sensor Learn
Incorrect) and / or DTC P1B10 (Drive Motor B Position Sensor Learn Incorrect) stored in the HPCM.
Recommendations / Instructions
Typically, these DTCs are not diagnosing a problem with the resolvers.
Look for other DTCs to diagnose first. Review the customer’s complaint carefully. If no other DTCs
are present, continue reading.
These DTCS may be set if the vehicle was powered off while driving with the shift lever out of park.
The driver may have purposefully or inadvertently pressed the power button instead of the Drive
Mode button.
Review the freeze frame records and if there is a vehicle speed reading greater than zero KPH (zero
mph) DO NOT attempt any repairs for these DTCs.
Explain to the customer that inadvertently shutting the vehicle off while in motion (out of park)
may cause this MIL to illuminate, and this is design intent.
Note: There are some known instances where the diagnostic will falsely set if the vehicle is
powered on while it is plugged in.
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.
SEOCONTENT-END
Bulletin No.: PIP4871D
Published date: 07/9/2019
To View or Download this Document Click Here
Bulletin No.: PIP4871C
Date: Feb-2014
To View or Download this Document Click Here
Bulletin No.: PIP4871C
Date: February, 2014
To View or Download this Document Click Here
Bulletin No.: PIP4871B
Date: Feb-2013
To View or Download this Document Click Here
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