2012 Subaru WRX Service & Repair Manual

All WRX years2013 →

The service and repair manual for the 2012 Subaru WRX — the 2.5L H4 engine, 4 trims. Matched to this exact model year, so the specifications and sequences are the ones Subaru published for your car, not figures carried over from a neighbouring year.

01 / FitmentWhat this manual covers

Model year2012
Engines
2.5L H4 — 150 cu in, DOHC, turbocharged
TrimsSTI Hatchback 4-Door · Base Sedan 4-Door · Base Hatchback 4-Door · STI Sedan 4-Door
Federal record5 recalls · 4 complaints · 170 technical service bulletins (refreshed 2026-08-21)

02 / InsideSample pages from the 2012 WRX manual

2012 Subaru WRX service manual page 12012 Subaru WRX service manual page 22012 Subaru WRX service manual page 32012 Subaru WRX service manual page 42012 Subaru WRX service manual page 52012 Subaru WRX service manual page 6

03 / ContentsSections in the manual

  • Quick Lookups 193
  • General Information 2,021
  • Accessories & Equipment 966
  • Heating, Ventilation & A/C (HVAC) 157
  • Body & Frame 496
  • Maintenance 290
  • Brakes 625
  • Restraints 390
  • Drivelines & Axles 208
  • Steering 114
  • Electrical 541
  • Suspension 197
  • Engine Mechanical 742
  • Transmission 387
  • Engine Performance 2,906
  • Axle Shaft Nut (Front) 162
  • Axle Shaft Nut (Rear) 140

04 / Known issuesRecalls on federal record for the 2012 WRX

  1. Electrical System — ignition › switch · 19V297000
    The engine turning off unexpectedly can increase the risk of a crash. if a crash occurs under this.
  2. Air Bags — frontal › passenger side › inflator module · 17V014000
    An inflator rupture may result in metal fragments striking the vehicle occupants resulting in seriou.
  3. Air Bags — frontal › passenger side › inflator module · 20V002000
    An inflator explosion may result in sharp metal fragments striking the driver or other occupants res.
  4. Air Bags — frontal › passenger side › inflator module · 20V001000
    An inflator explosion may result in sharp metal fragments striking the driver or other occupants res.
  5. Air Bags — frontal › passenger side › inflator module · 20V003000
    An inflator explosion may result in sharp metal fragments striking the driver or other occupants res.

Owners have filed 4 complaints and Subaru has issued 170 technical service bulletins for the 2012 WRX. The manual carries the manufacturer's diagnostic and repair procedures behind these systems.

FAQQuestions about the 2012 WRX manual

Is this manual specific to the 2012 WRX?

Yes. It is the OEM manual matched to the 2012 model year, covering the 2.5L H4 across the STI Hatchback 4-Door, Base Sedan 4-Door, Base Hatchback 4-Door, STI Sedan 4-Door trims. Specifications and procedure sequences are the ones Subaru published for this year.

What 2012 WRX problems does it help with?

5 recalls are on federal record for the 2012 WRX, covering electrical system, air bags. The manual carries the manufacturer's diagnostic and repair procedures for those systems; the recall repairs themselves are done free by Subaru dealers.

Does it include 2012 WRX wiring diagrams?

Yes — the complete wiring diagrams for the 2012 build, alongside repair procedures, specifications and diagnostics.

Is it a subscription?

No. $29.99 once and the manual is yours. It is a digital manual — nothing ships; access details arrive by email after checkout and it works on any device.

RelatedOther WRX years and 2012 Subaru models

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