FAW J6 fault codes

FAW J6 — mass tractor/chassis. Weichai WP packs share public cards; CA6DM2 needs the full scanner frame.

Engines: WP10, WP12, CA6DM2.

Frequent codes

Rail, boost, CKP, U0100, low 24V.

• P0087 — low common-rail pressure
• P0093 — large fuel leak / CAN trap — FMI needed
• P0299 — boost below target
• P0335 — crankshaft sensor no signal
• P0340 — camshaft sensor — FMI needed
• P2563 — VGT position sensor
• P0562 — system voltage low
• U0100 — lost communication with engine ECU
• SPN 2898 — without FMI — not a diagnosis
• SPN 729 — intake heater — FMI needed
• P0088 — high common-rail pressure
• P1011 — HP pump metering valve fault
• P2263 — turbo / boost performance
• U0101 — lost communication with TCM

Field notes

Select J6 not JH6 in the form.

Fault code table

Frequent codes for Faw J6. Cards link when a public page exists.

Full step-by-step — enter the code on the home page. If a card exists, click the code.

How to use

home page — FAW, J6. Fault codes.

Look up the code in the service