JAC Fault Codes

3 JAC diagnostic codes on file. Each shows the symptom for free — unlock the full diagnosis, repair steps, and field insights with a free account.

CodeSymptomFix
P0047Complete Power Loss / Zero Turbo Spool Unlock
P0238Engine in Limp Mode / Boost Cut Unlock
P0404Hesitation at 1,500–2,000 RPM / Smoke Unlock

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