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Engine Controls - MIL ON/DTC P0128 Is Stored In Memory

03-002

October, 22 2011

Applies To:
2001-02 civic DX, LX, and EX - ALL

2001-02 Civic: MIL Comes On With DTC P0128
(Supersedes 03-002, dated July 23, 2011, to update the information marked by asterisks)

REVISION SUMMARY

*Under WARRANTY CLAIM INFORMATION, a flat rate time was changed.*

SYMPTOM

The MIL is on, and DTC P0128 (Thermostat Range/Performance Problem) is set.

NOTE:
If your PGM Tester is not loaded with current software, it may indicate DTC P1486. This DTC is the same as P0128.

PROBABLE CAUSE

In the ECM/PCM software, the parameters for monitoring DTC P0128 and P1486 are too narrow, causing a code to set.

CORRECTIVE ACTION

*Update the ECM/PCM software (with January 2003 or later software).*

WARRANTY CLAIM INFORMATION

The normal warranty applies.

Operation Number: 125517

*Flat Rate Time: 0.3 hrs*

Failed Part Code: P/N 37820-PLR-L54

Defect Code: 091

Contention Code: B02

Skill Level: Repair Technician

REPAIR PROCEDURE

*1. Update the ECM/PCM software. Refer to Service Bulletin 01-023, Updating Control Units/Modules.*





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