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.
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HOMESERVICE MANUALSMAZDA2008CX-7 TOURING, 2.3 3, AWDREPAIR AND DIAGNOSIS (SINGLE PAGE)QUICK LOOKUPSDTC INDEXADVANCED KEYLESS SYSTEM DTCS
2008 Mazda CX-7 Touring, 2.3 3, AWD
Advanced Keyless System DTCS
2008 Mazda CX-7 Touring, 2.3 3, AWDSECTION Advanced Keyless System DTCS
ADVANCED KEYLESS SYSTEM DIAGNOSTIC TROUBLE CODE (DTC) LIST
| DTC | Description | Action |
|---|---|---|
| B1342 | Keyless control module internal malfunction | DTC B1342[ADVANCED KEYLESS SYSTEM] |
| B1134 | Unprogrammed card key | DTC B1134[ADVANCED KEYLESS SYSTEM] |
| B2477 | Configuration error | DTC B2477[ADVANCED KEYLESS SYSTEM] |
| B1317 | Keyless control module power supply voltage increases. | DTC B1317[ADVANCED KEYLESS SYSTEM] |
| B1318 | Keyless control module power supply voltage decreases | DTC B1318[ADVANCED KEYLESS SYSTEM] |
| B2170 | Push switch (Steering lock unit) | DTC B2170[ADVANCED KEYLESS SYSTEM] |
| B1126 | Steering lock unit internal malfunction | DTC B1126[ADVANCED KEYLESS SYSTEM] |
| U0236 | Steering lock unit communication system | DTC U0236[ADVANCED KEYLESS SYSTEM] |
| B1093 | Steering lock unit communication error | DTC B1093[ADVANCED KEYLESS SYSTEM] |
| U0214 | Keyless receiver | DTC U0214[ADVANCED KEYLESS SYSTEM] |
| B1133 | Keyless antenna (exterior, RF) | DTC B1133[ADVANCED KEYLESS SYSTEM] |
| B1132 | Keyless antenna (exterior, LF) | DTC B1132[ADVANCED KEYLESS SYSTEM] |
| B1128 | Keyless antenna (Interior, rear) | DTC B1128[ADVANCED KEYLESS SYSTEM] |
| B1131 | Keyless antenna (exterior, rear) | DTC B1131 [ADVANCED KEYLESS SYSTEM] |
| B1129 | Keyless antenna (Interior, middle) | DTC B1129[ADVANCED KEYLESS SYSTEM] |
| B112A | Keyless antenna (Interior, front) | DTC B112A[ADVANCED KEYLESS SYSTEM] |
RENDER: 1.0x
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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.