HINO-P0202 serious Hino ›

Injector Circuit/Open - Cylinder 2

The HINO-P0202 (Hino) diesel fault code means: Injector Circuit/Open - Cylinder 2. This is a serious severity code.

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Keep driving?
Short distances only
DIY difficulty
intermediate
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What Are the Symptoms of HINO-P0202?

  • Check Engine Light on
  • Rough running or misfire
  • Smoke from the exhaust
  • Reduced power

What Causes HINO-P0202? (Most Likely First)

  • Open or damaged wiring to the cylinder 2 injector High
  • Failed injector coil High
  • Corroded or loose injector connector Moderate
  • Injector driver fault in the control module Low

Can I Still Drive with HINO-P0202?

Short distances only. HINO-P0202 is rated serious severity. Keep trips short and get it diagnosed soon rather than waiting for symptoms to worsen.

Frequently Asked Questions

What does P0202 mean on a Hino?

P0202 means Injector Circuit/Open - Cylinder 2. The engine computer has detected an open or faulty electrical circuit for the cylinder 2 injector.

Is P0202 a Hino-specific code?

No. P0202 is a generic OBD-II code defined by SAE J2012, so it means the same thing on any vehicle that sets it. The exact conditions Hino uses to set it on its diesels are in Hino service information.

Mechanics Guide Step-by-step diagnosis

How Do You Diagnose HINO-P0202?

  1. Check the cylinder 2 injector harness and connector for damage and corrosion.

  2. Measure the injector coil resistance and compare it with the specification.

  3. Check the circuit for continuity back to the control module.

Sources 3

This page is built from documented references. Verify against your own service info before repair work.

  • Hino service bulletin SB-14-029 (filed with NHTSA)troubleshooting for DTC P2201 and P2214 on 2011-2015 Hino 238, 258, 268 and 338, showing these trucks report SAE diagnostic trouble codes
  • SAE J1939-73Application Layer: Diagnostics (defines the SPN/FMI fault-identifier framework)
  • SAE J2012Diagnostic Trouble Code Definitions (defines P0202 as a generic OBD-II code)

P0202 on Other Platforms

The same code ID appears across other engines, vehicles, and equipment. Diagnostic flow varies by platform — see the matching breakdown:

Gas / Automotive (OBD-II) Generic OBD-II definition for P0202 Duramax serious Injector Circuit/Open - Cylinder 2 Kubota serious Injector Circuit / Open Cylinder #2 MaxxForce serious Injector Circuit Cylinder 2 Power Stroke serious Injector Circuit/Open - Cylinder 2 Yanmar serious Injector Circuit - Cylinder 2

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