C1034
0 owner reports and 7 manufacturer filings across 3 model years from Ford.
Where C1034 shows up
Source: NHTSA manufacturer communications and complaints| Model year | Filed under | Bulletins | Owner reports | Parts |
|---|---|---|---|---|
| 2017 Ford Escape | Service Brakes | 3 | — | Brake pads → |
| 2022 Ford Mustang Mach-E | Service Brakes | 2 | — | Brake pads → |
| 2021 Ford Mustang Mach-E | Parking Brake | 2 | — | Parking brake cable → |
A model year appears here because the code is named in its record, not because every one of these vehicles sets it. Counts are mentions in the federal files, not failure rates — nobody publishes the denominator.
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What it gets filed under
7 manufacturer filings name C1034. Start with what the maker wrote down.
A code names the test that failed, not the part. A bulletin that names it is often a diagnosis someone has already written down — quote its number at the service desk.
Manufacturer filings that name it
Source: NHTSA manufacturer communicationsService bulletins and campaigns whose filed summary names C1034.
- SSM 54574 Service bulletin2026-02-12 · Service Brakes
- Some 2021-2022 Mustang Mach-E vehicles may exhibit a "Parking Brake Failure, Service Immediately message displayed in the instrument panel cluster (IPC) and diagnostic trouble codes (DTCs) C2007, C2008, C1034, U0293 and/or U0100 stored in the anti-lock brake system (ABS) module. To correct the condition, follow the technical instructions outlined FSA 22P31 (US) or 22B47 (Canada) for an appropriat
- TSB 22-2143 Service bulletin2022-04-22 · Service Brakes, Hydraulic
- Some 2021-2022 Mustang Mach-E vehicles built on or before 15-Mar-2022 may exhibit a Parking Brake Fault Service Now message in the instrument panel cluster (IPC) and DTCs C2007, C2008, C1034, U0293 and/or U0100 in the antilock brake system (ABS) module. This may be due to an open/corroded circuit near the rear caliper. To correct the condition, follow the Service Procedure to replace the electroni
- TSB 17-0040 Service bulletin2017-04-20 · Service Brakes, Hydraulic — Antilock/Traction Control/Electronic Limited Slip — Abs Warning Light
- Some 2017 Escape vehicles equipped with 17 inch wheels built on or before 10-October-2016 may exhibit an illuminated electric park brake warning indicator with diagnostic trouble codes (DTCs) C1034, C1A43, C2005, C2007, C2008 and/or U2002. Four wheel drive (4WD) vehicles may also exhibit an anti-lock brake system (ABS) lamp illuminated with DTCs C003A or C0037. Follow the Service Procedure steps t
- TSB 17-0005 Service bulletin2017-01-13 · Service Brakes, Air — Antilock — Abs Warning Light
- SOME 2017 ESCAPE VEHICLES EQUIPPED WITH 17 INCH WHEELS BUILT ON OR BEFORE 10-OCTOBER-2016 MAY EXHIBIT AN ILLUMINATED ELECTRIC PARK BRAKE WARNING INDICATOR WITH DIAGNOSTIC TROUBLE CODES (DTCS) C1034, C1A43, C2005, C2007, C2008 AND/OR U2002. FOUR WHEEL DRIVE (4WD) VEHICLES MAY ALSO EXHIBIT AN ANTI-LOCK BRAKE SYSTEM (ABS) LAMP ILLUMINATED WITH DTCS C003A OR C0037. FOLLOW THE SERVICE PROCEDURE STEPS T
- SSM 46233 Service bulletin2016-12-02 · Service Brakes, Air — Antilock
- SOME 2017 ESCAPE VEHICLES EQUIPPED WITH 17 INCH WHEELS BUILT ON OR BEFORE 10-OCT-2016 MAY EXHIBIT AN ELECTRIC PARK BRAKE WARNING WITH DIAGNOSTIC TROUBLE CODES (DTCS) C1034, C1A43, C2005, C2007, C2008 AND/OR U2002. 4 WHEEL DRIVE (4WD) VEHICLES MAY ALSO EXHIBIT AN ANTI-LOCK BRAKE SYSTEM (ABS) LIGHT ON WITH DTCS C003A OR C0037. IF A VEHICLE COMES IN FOR THIS CONCERN, INSPECT THE ELECTRIC PARK BRAKE/B
What C1034 means
Source: SAE J2012 / OBD-IIC1034 is a manufacturer-specific code: the second character is a 1, which under the OBD-II standard hands the definition to whoever built the vehicle. The same code can mean one thing on a Ford and something unrelated on a Hyundai. Any site that prints a single definition for it is guessing.
A stored code names the test that failed, never the part that caused it. It is the starting point of a diagnosis, not its conclusion — the same code has several possible causes and the cheap one is not always right.
Common questions about C1034
Source: NHTSA files and the OBD-II standardWhy does this page not define C1034?
Because it cannot be defined honestly. The second character of a trouble code says who owns its meaning, and a 1 or a 3 hands that to the manufacturer. Sites that print one definition for a manufacturer-specific code are showing you one automaker's meaning and hoping it is yours.
Can I keep driving with C1034 stored?
Nobody can answer that from the code alone, and a site that does is guessing. A steady light means a fault was logged and the car should be checked soon; a flashing light means a severe misfire — slow down and get it seen as soon as possible, because severe misfire can quickly damage the catalytic converter. The safe read of this page is the mileage and the components, not permission.
Does a code mean the car is recalled?
No. Recalls are filed by campaign and matched by VIN, and none of them are triggered by a scan tool. If you want to know whether an open recall applies to one specific vehicle, check the VIN at nhtsa.gov/recalls — that is the only source that settles it.
Why do the counts here differ from other sites?
Because these are not estimates. Every number on this page is a count of documents in NHTSA's own files: manufacturer communications that name the code in their filed summary, and owner complaints that name it in the narrative. We do not model, weight or extrapolate them.
Will clearing the code fix it?
Clearing turns the light off and erases the freeze-frame data a technician would have used to work out what happened. If the condition is still there the code returns, usually within a few drive cycles, and the diagnosis now starts from less information than before.