Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
2012 Hyundai Tucson FWD L4-2.4LFACTORY OEM SERVICE PROCEDURE
Engine Controls - DTC P0605 Diagnostic Procedure
GROUP
FUEL SYSTEM
DATE
MARCH, 2013
NUMBER
13-FL-001
MODEL(S)
Elantra (UD/MD/GD/JK),
Genesis Coupe (BK),
Santa Fe (CM/AN),
Sonata (NF/YF),
Tucson (LM)
SUBJECT:
DTC P0605 AND ACCOMPANYING DTC(S) DIAGNOSTIC PROCEDURE
Description:
This bulletin provides additional diagnostic information for DTC P0605, Internal Control Module Read Only Memory (ROM) Error, and accompanying DTC(s).
Follow this TSB before replacing a PCM, and attach the DTC printout to the repair order. Replacing a PCM without following this procedure and carefully documenting the condition(s) may result in a warranty claim charge back.
Applicable Vehicles:
Elantra(UD/MD/GD/JK): 2011
Genesis Coupe (BK) 2.0L: 2010
Santa Fe (CM) 2.4L: 2010 - 2012
Santa Fe Sport (AN): 2013
Sonata (NF) 2.4L: 2006 - 2010
Sonata (YF): 2011
Tucson (LM): 2010
Warranty Information:
Normal warranty applies.
Service Procedure:
When P0605 and P2110 are the ONLY two present DTCs:
Inspect the following component(s) operation and related wiring circuit.
^ Engine Coolant Temperature Sensor
^ MAP Sensor and Turbocharger Boost Sensor (MAP Sensor #2 for Turbo charging system)
^ Exhaust system modifications
When P0605 and P2105 are the ONLY two present DTCs:
^ Replace PCM
When P0605 and any other DTC(s) are present:
Inspect the accompanying DIG(s) related component(s) operation and wiring circuit(s)
(refer to the shop Manual for more details).
FUEL SYSTEM
DATE
MARCH, 2013
NUMBER
13-FL-001
MODEL(S)
Elantra (UD/MD/GD/JK),
Genesis Coupe (BK),
Santa Fe (CM/AN),
Sonata (NF/YF),
Tucson (LM)
SUBJECT:
DTC P0605 AND ACCOMPANYING DTC(S) DIAGNOSTIC PROCEDURE
Description:
This bulletin provides additional diagnostic information for DTC P0605, Internal Control Module Read Only Memory (ROM) Error, and accompanying DTC(s).
Follow this TSB before replacing a PCM, and attach the DTC printout to the repair order. Replacing a PCM without following this procedure and carefully documenting the condition(s) may result in a warranty claim charge back.
Applicable Vehicles:
Elantra(UD/MD/GD/JK): 2011
Genesis Coupe (BK) 2.0L: 2010
Santa Fe (CM) 2.4L: 2010 - 2012
Santa Fe Sport (AN): 2013
Sonata (NF) 2.4L: 2006 - 2010
Sonata (YF): 2011
Tucson (LM): 2010
Warranty Information:
Normal warranty applies.
Service Procedure:
When P0605 and P2110 are the ONLY two present DTCs:
Inspect the following component(s) operation and related wiring circuit.
^ Engine Coolant Temperature Sensor
^ MAP Sensor and Turbocharger Boost Sensor (MAP Sensor #2 for Turbo charging system)
^ Exhaust system modifications
When P0605 and P2105 are the ONLY two present DTCs:
^ Replace PCM
When P0605 and any other DTC(s) are present:
Inspect the accompanying DIG(s) related component(s) operation and wiring circuit(s)
(refer to the shop Manual for more details).
Factory Service Tools
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.