# Service bulletin 1203

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: 10014203
- Published by NHTSA: 2005\-04\-29
- Manufacturer's number: 1203
- Manufacturer's date: 2003\-12\-16
- NHTSA component: ENGINE AND ENGINE COOLING:ENGINE

## NHTSA's summary

DIAGNOSTIC TROUBLE CODE P0420 AND/OR P0430, CATALYST EFFICIENCY \(V6\). \*NM

## 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

## Trouble codes named

P0420, P0430

## Vehicles listed

- 2003 HONDA ACCORD

## Other bulletins for the same vehicles and component

- [A18070](/bulletins/10144032.md), 2018-09-04, Service bulletin: ENGINE AND ENGINE COOLING. Service bulletin \- Emission certification labels that were replaced on a small number of vehicles may have been replaced with a label listing incorrect information. The affected emission labels are replacement service parts, and were not installed at the factory; they were installed during postmanufacturing repairs that required replacement of the underlying part. This will cause the vehicle to be non\-compliant with emissions regulations.
- [ATS180402](/bulletins/10135067.md), 2018-05-07, Service bulletin: ENGINE AND ENGINE COOLING. Tech line summary article \- When adding keys or running the System Check with the Immobilizer Setup Tool in the i\-HDS, are you seeing this message? "Immobilizer system is not normal". We?re aware of this issue and have it under investigation.
- [A15\-020](/bulletins/10108226.md), 2017-06-29, Service bulletin: ENGINE. THE REAR CYLINDER HEAD COVER GASKET LEAKS OIL.
- [A13\-021](/bulletins/10098946.md), 2017-05-12, Service bulletin: ENGINE. "SERVICE BULLETIN \- THE MIL COMES ON WITH ONE OF THESE DTCS: • P2646/P2651 \(ROCKER ARM OIL PRESSURE SWITCH CIRCUIT LOW VOLTAGE\). • P2647/P2652 \(ROCKER ARM OIL PRESSURE SWITCH CIRCUIT HIGH VOLTAGE\). NOTE: THE SYMPTOM MAY BE INTERMITTENT AND YOU MAY NOT BE ABLE TO DUPLICATE IT AFTER CLEARING THE DTC. THE ROCKER ARM OIL PRESSURE SWITCH MAY FAIL INTERMITTENTLY."
- [A\-13\-021](/bulletins/10052884.md), 2013-09-24, Service bulletin: ENGINE. HONDA: DTC P2646/P2651 OR P2647/2652 MAY BE SET. THE ROCKER ARM OIL PRESSURE SWITCH MAY NEED TO BE REPLACED. ALSO INCLUDED MODEL CIVIC SI MODEL YEAR 2002\-2005. \*JS
- [06041](/bulletins/10022954.md), 2007-10-09, Service bulletin: ENGINE AND ENGINE COOLING:ENGINE. HONDA: VEHICLE MOVES \(CREEPS\) FASTER THAN EXPECTED WHEN IDLING IN GEAR. \*NJ UPDATED 11/1/11. \*PE
- [1006](/bulletins/10021129.md), 2007-03-13, Service bulletin: ENGINE AND ENGINE COOLING:ENGINE; TIRES:PRESSURE MONITORING AND REGULATING SYSTEMS. STALLS WITH ELECTRICAL LOAD AFTER BODY SHOP REPAIR. DTC P1588 AND/OR P1589 STORED. P1163 AND/OR SURGE, JERKS, BUCKS BETWEEN 20\-60 MPH. TIRE PRESSURE MONITORING SYSTEM DTC 32, 34, 36, 38, 41. \*KB
- [0305](/bulletins/10020687.md), 2006-12-22, Service bulletin: ENGINE AND ENGINE COOLING:ENGINE. ENGINE INTERMITTENTLY STALLS AFTER BODY SHOP REPAIR. \*KB
- [705](/bulletins/10018078.md), 2005-12-15, Service bulletin: ENGINE AND ENGINE COOLING. DIAGNOSE ENGINE STALLING WITH ONBOARD SNAPSHOTS. \*TT
- [08012005](/bulletins/10018005.md), 2005-12-13, Service bulletin: ENGINE AND ENGINE COOLING:EXHAUST SYSTEM. 1ST TO 2ND UPSHIFT SHUDDER, JUDDER, VIBRATION AT 2K RPM. \*TT

JSON: [/v1/bulletins/10014203](/v1/bulletins/10014203)

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