B1210 OBD-II Trouble Code: EIC Switch-2 Assembly Circuit Open

Our certified mechanics come to you · Get a fair and transparent estimate upfront

Red-stars EXCELLENT RATING ON

Cost of diagnosing the B1210 code

B1210 is a diagnostic trouble code (DTC) for "EIC Switch-2 Assembly Circuit Open". This can happen for multiple reasons and a mechanic needs to diagnose the specific cause for this code to be triggered in your situation. Our certified mobile mechanics can come to your home or office to perform the Check Engine Light diagnostic. Once we are able to diagnose the problem, you will be provided with an upfront quote for the recommended fix and receive $20.00 off as a credit towards the repair. All our repairs are backed by our 12-month / 12,000-mile warranty.

Cars Estimate Credit towards follow-up repair Earliest Availability
Ford$20.00
Toyota$20.00
BMW$20.00
SCHEDULE B1210 DIAGNOSTIC Get a fair and transparent estimate upfront

B1210 code definition

A B1210 trouble code indicates that an electrical circuit in the vehicle's electronic instrument cluster (EIC) is incomplete.

What the B1210 code means

The electronic instrument cluster is a modern replacement in some newer vehicles for an analog dashboard. In the case of a B1210 trouble code, the Switch 2 assembly circuit has been reported as being incomplete. For whatever reason this may be, the result is usually a failure of the EIC to report usual statistics like speed and fuel supply.

What causes the B1210 code?

Because a B1210 involves an incomplete electrical circuit in the EIC, the cause will typically lie somewhere along the circuit itself. Damaged, disconnected and/or faulty wiring is the most common cause of a B1210 code. Faulty components in the EIC may also be to blame for this issue.

In rare cases, the trouble report itself may be faulty. The Engine Control Module (ECM) may be to blame for mistakenly storing a trouble code. however, this instance should only be considered once all other potential issues have been exhausted.

What are the symptoms of the B1210 code?

In the instance of a B1210 code, the dashboard display will likely fail, making it impossible to accurately gauge statistics like speed or the proper fuel level. Additionally, a stored B1210 trouble code and illuminated trouble lamp will also accompany a B1210 scenario. These symptoms are purely for the sake of diagnosing the problem.

How does a mechanic diagnose the B1210 code?

A B1210 code may be verified first by using an OBD-II code reader in tandem with the vehicle's computer. Using a voltmeter, different segments of the EIC Switch 2 assembly circuit may be tested to help pinpoint the circuit blocker. Any wiring and electrical connectors should be checked for signs of corrosion, wear, damage or disconnection. Components relevant to the EIC should be inspected for signs of fault or damage.

Common mistakes when diagnosing the B1210 code

Because body-related trouble codes are model-specific, one B-class code description may be mistook for another and mistakenly repaired in lieu of the real problem.

How serious is the B1210 code?

If the electronic instrument cluster is not working, many of the vehicle's essential statistics such as speed and fuel level will be unknown or unreliable to the operator. While this does not necessarily pose a threat to the vehicle's drivability, having important data restricted can make driving a B1210-inflicted car risky and even dangerous.

What repairs can fix the B1210 code?

Repairs that may fix the B1210 code include:

  • Repairing or replacing any faulty wiring or electrical connectors in the Switch-2 assembly circuit
  • Repairing or replacing defective components in the EIC

Following repairs, the vehicle should be retested to ensure the issue has been solved.

Additional comments for consideration regarding the B1210 code

Body-related codes are often specific to vehicle models. Certain codes may vary in meaning depending on the vehicle in question. Refer to your vehicle manual if you're unsure about the code meaning.

Need help with a B1210 code?

YourMechanic offers certified mobile mechanics who will come to your home or office to diagnose and repair your vehicle. Get a quote and book an appointment online or speak to a service advisor at 1-800-701-6230.

trouble codes
B1210
OBD-II

No more waiting rooms! Our mechanics will come to you to diagnose and fix the B1210 code.

SCHEDULE B1210 DIAGNOSTIC
Get a $20 credit for the follow-up repair

Recent Check Engine Light is on Inspection reviews

Excellent Rating


YourMechanic Check Engine Light is on Inspection Service

Average Rating

4.8/5

Number of Reviews

5,170

Rating Summary
4,765
197
50
27
131
4,765
197
50
27
131

Fred

16 years of experience
364 reviews
Fred
16 years of experience
Mercedes-Benz E500 - Check Engine Light is on - Conroe, Texas
Fred was very friendly and thorough to get to the root of the issue. Even when he could not find a fault to why my engine light was on, he went above and beyond to make absolutely sure that the concern was minimized. Turns out, all that needed to be done was a reset but his diagnostic to address my issues was very intricate and appreciated.

David

17 years of experience
37 reviews
David
17 years of experience
Chevrolet Cruze - Check Engine Light is on - Aurora, Colorado
David was on time, professionalisms & honest! I would definitely request him again and pass along to friends/family.

John

18 years of experience
18 reviews
John
18 years of experience
Dodge Ram 1500 - Check Engine Light is on - Memphis, Tennessee
Demonstrated good integrity. Advised me when work I thought needed done was unnecessary and was helpful in identifying issues that needed to be addressed

Robert

21 years of experience
17 reviews
Robert
21 years of experience
Chrysler 200 - Check Engine Light is on - Fort Worth, Texas
Robert did a good job working on my car and letting me know what's needed to keep my car driving smoothly.


More related articles

P0385 OBD-II Trouble Code: Crankshaft Position Sensor B Circuit Malfunction
P0385 means the crankshaft position sensor B circuit is malfunctioning
P0500 OBD-II Trouble Code: Vehicle Speed Sensor Malfunction
P0500 code definition P0500 is a general OBD-II code that indicates a malfunction has been detected in the vehicle speed sensor circuit....
P2286 OBD-II Trouble Code: Injector Control Press Sensor Circuit High
P2286 P2286 code definition Injector Control Press Sensor Circuit High What the P2286 code means P2286 is an OBD-II generic code for the engine control module (ECM) detecting the injector control pressure (ICP) sensor circuit is registering a high signal...

Related questions

What means error fault code p1978

The trouble code you listed is a manufacturer specific code, designated by the P1xxx. I have searched my files and cant find that DTC trouble code. Can you please verify that the code is P1978? However, if you'd like to...

My car is jerking back and forth at high speeds

The first thing that needs to be done is to connect a scanner to the car and retrieve the code. This information will lead a technician down a diagnostic path. There is an important distinction that needs to be made...

P0700 Transmission Control System MIL Request

Hi! A P0700 code stored in the powertrain control module (PCM) indicates that there is a code stored in the transmission control module (TCM) that can be accessed by looking into the TCM with an appropriate scan tool. Having the...

How can we help?

Our service team is available 7 days a week, Monday - Friday from 6 AM to 5 PM PST, Saturday - Sunday 7 AM - 4 PM PST.

1 (855) 347-2779 · hi@yourmechanic.com