P0113 on a 2012 Honda Odyssey
Intake Air Temperature High Input
P0113 on a 2012 Honda Odyssey indicates intake air temperature high input. It usually stays drivable short-term but should be diagnosed promptly. The most common cause is disconnected or unlatched iat / maf-iat connector (typically $0–$50). Confirm the root cause before replacing parts.
What does P0113 mean on a 2012 Honda Odyssey?
P0113 is set when the ECM sees the intake air temperature sensor signal voltage above the calibrated maximum — typically a reading that would represent an unrealistically cold air temperature (often below −40 °F / −40 °C). This is the textbook fingerprint of an open circuit at the IAT sensor: a disconnected sensor, a broken signal wire, or a failed sensor element.
This guide covers P0113 across the 2010-2014 Honda Odyssey generation — the symptoms, causes, and diagnostic steps below apply to every model year from 2010 through 2014.
Is it safe to drive a 2012 Honda Odyssey with P0113?
In most cases a 2012 Honda Odyssey stays drivable for short trips with P0113 active, but diagnose and repair it promptly. This is a low-severity code — ignoring it can lead to further damage or a failed emissions test.
What are the symptoms of P0113 on a 2012 Honda Odyssey?
- Check Engine Light is illuminated
- Slightly harder cold starting in some cases
- Mild reduction in fuel economy
- Reduced power under hard acceleration (engine adds extra fuel for "cold" air)
- Often no noticeable drivability problem at all
What causes P0113 on a 2012 Honda Odyssey?
| Cause | Likelihood | Estimated repair (USD) |
|---|---|---|
| Disconnected or unlatched IAT / MAF-IAT connector | Most common | $0–$50 |
| Open circuit in the IAT signal wire (broken, chafed, or pinched) | Common | $80–$350 |
| Failed IAT sensor element (open internally) | Common | $30–$150 |
| Corroded sensor connector pins | Common | $30–$200 |
| Damaged sensor body from intake backfire | Occasional | $30–$200 |
| Failed PCM input (extremely rare) | Rare | $400–$1,500 |
How to diagnose this on a 2012 Honda Odyssey
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Confirm where the IAT sensor lives on this engine
Modern engines fall into two configurations: a standalone IAT sensor in the air intake tract, or a combined MAF/IAT assembly where the IAT element is built into the mass airflow housing. Both share P0113 — the diagnostic difference is where to find the connector and which wires carry the IAT signal.
Tools: Vehicle-specific service information
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Read IAT temperature on the scan tool
A working IAT reads close to ambient air temperature when the engine has been off long enough to cool. Compare to the coolant temperature reading at cold start — they should agree within a few degrees. An IAT reading of "−40 °F" or "−40 °C" is the classic open-circuit fingerprint.
Tools: Scan tool with IAT PID
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Inspect the connector and wiring
Unplug the IAT connector and inspect for corrosion, water, or bent pins. With the connector unplugged and the key on, the scan tool should still report a fixed "very cold" value — that confirms an open circuit signature is what set the code.
Tools: Electrical contact cleaner, Flashlight
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Bench-test the IAT sensor with a multimeter
With the sensor removed, measure resistance across its terminals at room temperature. Compare to the service manual — most NTC IAT sensors read 2.0–4.5 kΩ at 68 °F (20 °C). Infinite resistance means the sensor is open and dead. Heating the sensor gently should cause resistance to drop.
Tools: Multimeter, Heat gun or hair dryer (optional), Service spec sheet
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Jumper test the signal wire
With the IAT disconnected, briefly jumper the signal wire to ground and observe the scan tool reading — it should swing from "very cold" to "very hot" (P0112 territory). If the reading does not change, the wiring or PCM input is at fault rather than the sensor.
Tools: Jumper wire, Scan tool
NHTSA complaints & recalls for the 2012 Honda Odyssey
Owner-reported safety complaints and official recalls filed with the U.S. National Highway Traffic Safety Administration for the 2012 Honda Odyssey. Use these to gauge how common a problem is on your specific vehicle before you start chasing Honda Odyssey diagnostics.
- ENGINE 39
- POWER TRAIN 24
- SERVICE BRAKES 60
- ELECTRICAL SYSTEM 33
- STRUCTURE 25
5 active recalls
- SEATS:MID/REAR ASSEMBLY Nov 2017
Honda (American Honda Motor Co.) is recalling certain 2011-2017 Honda Odyssey vehicles. The second row outboard seats can slide sideways to one of two positions. If a seat is placed between either of the two positions when attaching the seat to the vehicle floor, the seat will…
NHTSA campaign 17V725000 - SEATS:MID/REAR ASSEMBLY Dec 2016
Honda (American Honda Motor Co.) is recalling certain model year 2011-2016 Odyssey vehicles manufactured August 17, 2010, to October 1, 2015. The affected vehicles have second row outboard seats that have a release lever that allows the seats to move for easier access to the thi…
NHTSA campaign 16V933000 - SUSPENSION:FRONT Dec 2011
HONDA IS RECALLING CERTAIN MODEL YEAR 2012, ODYSSEY VEHICLES MANUFACTURED FROM OCTOBER 31, 2011, THROUGH NOVEMBER 30, 2011. THE RETENTION NUT FOR THE FRONT RIGHT LOWER SUSPENSION DAMPER BOLT MAY NOT HAVE BEEN TIGHTENED TO THE PROPER TORQUE, POTENTIALLY ALLOWING THE NUT TO LOOSEN…
NHTSA campaign 11V602000 - POWER TRAIN:AUTOMATIC TRANSMISSION Apr 2013
Honda is recalling certain model year 2012-2013 CR-V, Odyssey, and model year 2013 Acura RDX vehicles. During sub-freezing temperatures, the brake-shift interlock blocking mechanism may become slow and allow the gear selector to be moved from the Park position without pressing t…
NHTSA campaign 13V143000
How do I fix P0113 on a 2012 Honda Odyssey?
- Reconnect the IAT or MAF-IAT connector
- Replace the IAT sensor (standalone) or the MAF/IAT assembly
- Repair broken IAT signal wire
- Clean corroded sensor connector pins
About the 2010-2014 Honda Odyssey
The 2010-2014 Honda Odyssey was commonly sold with the following powertrains: 3.5L V6. Common trims include LX, EX, EX-L, Touring, Elite.
P0113 vs P0112
These are the two ends of the same circuit:
- P0112 — IAT signal reads too low (sensor sees a very high temperature, often “300 °F”). Usually a shorted-to-ground signal wire or a sensor failed in the closed direction.
- P0113 — IAT signal reads too high (sensor sees a very low temperature, often “−40 °F”). Usually an open circuit — disconnected, broken wire, or sensor open internally.
Why P0113 rarely affects drivability
Modern ECMs use the IAT for relatively minor fuel-trim corrections and to fine-tune cold-start enrichment. With a missing IAT signal, the ECM uses a default value (usually around 70 °F) and the engine runs essentially normally. This is why many drivers report P0113 with no symptoms at all beyond the Check Engine Light.
Combined MAF/IAT assemblies
On most modern vehicles the IAT is integrated into the MAF housing as a single assembly. When the IAT element fails, the entire MAF assembly must be replaced — there is no separate IAT to service. Confirm the part number before ordering; combined assemblies are 4–10× the cost of a standalone IAT.
P0113 on a 2012 Honda Odyssey: frequently asked questions
What does diagnostic trouble code P0113 mean on a 2012 Honda Odyssey?
P0113 is set when the ECM sees the intake air temperature sensor signal voltage above the calibrated maximum — typically a reading that would represent an unrealistically cold air temperature (often below −40 °F / −40 °C). This is the textbook fingerprint of an open circuit at the IAT sensor: a disconnected sensor, a broken signal wire, or a failed sensor element.
What are the symptoms of P0113 on a 2012 Honda Odyssey?
Check Engine Light is illuminated. Slightly harder cold starting in some cases. Mild reduction in fuel economy. Reduced power under hard acceleration (engine adds extra fuel for "cold" air). Often no noticeable drivability problem at all
What causes P0113 on a 2012 Honda Odyssey?
Disconnected or unlatched IAT / MAF-IAT connector (most-common). Open circuit in the IAT signal wire (broken, chafed, or pinched) (common). Failed IAT sensor element (open internally) (common). Corroded sensor connector pins (common). Damaged sensor body from intake backfire (occasional). Failed PCM input (extremely rare) (rare)
Is it safe to drive a 2012 Honda Odyssey with P0113?
In most cases a 2012 Honda Odyssey stays drivable for short trips with P0113 active, but it should be diagnosed and repaired promptly — this is a low-severity code. Ignoring it can lead to further damage or a failed emissions test.